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A293936
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Poincaré series for invariant polynomial functions on the space of binary forms of degree 11.
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13
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1, 0, 2, 0, 13, 13, 73, 110, 320, 529, 1160, 1893, 3569, 5633, 9600, 14636, 23246, 34233, 51618, 73716, 106678, 148325, 207652, 281963, 384141, 510882, 680155, 888201, 1159414, 1489689, 1911698, 2421067, 3060774, 3826640, 4774174, 5899837, 7274612, 8895981, 10853618, 13146996
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OFFSET
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0,3
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COMMENTS
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Many of these Poincaré series has every other term zero, in which case these zeros have been omitted.
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LINKS
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EXAMPLE
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The Poincaré series is (1 + t^4 - t^6 + 10t^8 + 11t^10 + 58t^12 + 85t^14 + 222t^16 + 336t^18 + 660t^20 + 951t^22 + 1589t^24 + 2154t^26 + 3188t^28 + 4080t^30 + 5510t^32 + 6633t^34 + 8310t^36 + 9443t^38 + 11059t^40 + 11894t^42 + 13094t^44 + 13319t^46 + 13852t^48 + 13319t^50 + 13094t^52 + 11894t^54 + 11059t^56 + 9443t^58 + 8310t^60 + 6633t^62 + 5510t^64 + 4080t^66 + 3188t^68 + 2154t^70 + 1589t^72 + 951t^74 + 660t^76 + 336t^78 + 222t^80 + 85t^82 + 58t^84 + 11t^86 + 10t^88 - t^90 + t^92 + t^96) / (1 - t^4)(1 - t^6)(1 - t^8)(1 - t^10)(1 - t^12)(1 - t^14)(1 - t^16)(1 - t^18)(1 - t^20)
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MAPLE
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nmax := 120 :
(1 + t^4 - t^6 + 10*t^8 + 11*t^10 + 58*t^12 + 85*t^14 + 222*t^16 + 336*t^18 + 660*t^20 + 951*t^22 + 1589*t^24 + 2154*t^26 + 3188*t^28 + 4080*t^30 + 5510*t^32 + 6633*t^34 + 8310*t^36 + 9443*t^38 + 11059*t^40 + 11894*t^42 + 13094*t^44 + 13319*t^46 + 13852*t^48 + 13319*t^50 + 13094*t^52 + 11894*t^54 + 11059*t^56 + 9443*t^58 + 8310*t^60 + 6633*t^62 + 5510*t^64 + 4080*t^66 + 3188*t^68 + 2154*t^70 + 1589*t^72 + 951*t^74 + 660*t^76 + 336*t^78 + 222*t^80 + 85*t^82 + 58*t^84 + 11*t^86 + 10*t^88 - t^90 + t^92 + t^96) / (1 - t^4)/(1 - t^6)/(1 - t^8)/(1 - t^10)/(1 - t^12)/(1 - t^14)/(1 - t^16)/(1 - t^18)/(1 - t^20) ;
taylor(%, t=0, nmax) ;
gfun[seriestolist](%) ;
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CROSSREFS
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For these Poincaré series for d = 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 20, 24 see A097852, A293933, A097851, A293934, A293935, A293936, A293937, A293938, A293939, A293940, A293941, A293942, A293943 respectively.
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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