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A001996
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Expansion of a generating function.
(Formerly M0306 N0112)
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1
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1, 0, 1, 1, 2, 2, 4, 4, 6, 7, 10, 11, 16, 17, 23, 26, 33, 37, 47, 52, 64, 72, 86, 96, 115, 127, 149, 166, 192, 212, 245, 269, 307, 338, 382, 419, 472, 515, 576, 629, 699, 760, 843, 913, 1007, 1091, 1197, 1293, 1416, 1525, 1663, 1790, 1945, 2088, 2265, 2426, 2623
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,5
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REFERENCES
| A. Cayley, Calculation of the minimum N.G.F. of the binary seventhic, Collected Mathematical Papers. Vols. 1-13, Cambridge Univ. Press, London, 1889-1897, Vol. 10, p. 408-419.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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FORMULA
| G.f.: 1/((1-x^4)*(1-x^6)*(1-x^8)*(1-x^10)*(1-x^12)*(1-x^14))
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CROSSREFS
| Sequence in context: A136343 A161254 A185224 * A122134 A035940 A067772
Adjacent sequences: A001993 A001994 A001995 * A001997 A001998 A001999
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KEYWORD
| nonn,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| More terms from James A. Sellers (sellersj(AT)math.psu.edu), Feb 09 2000
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