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A178940
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Number of flat special rim-hook tableaux.
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1
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1, 1, 2, 3, 6, 9, 18, 27, 50, 79, 138, 215, 378, 583, 986, 1557, 2574, 4011, 6630, 10269, 16682, 26041, 41670, 64577, 103434, 159313, 252062, 389895, 611862, 940437, 1474626, 2256927, 3512906, 5384611, 8327274, 12708827, 19646946, 29869723, 45911834, 69859113
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OFFSET
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0,3
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COMMENTS
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See Egge link for precise definition.
A composition of n is a sequence of positive integers whose sum is n. The number of flat special rim-hook tableaux is the number of compositions of n (a1, a2, ..., ar) such that (a1+r, a2+r-1, ..., ar+1) are all distinct. - Mike Zabrocki, Nov 12 2023.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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