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A105163
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a(n) = (n^3 - 7n + 12)/6.
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3
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1, 1, 3, 8, 17, 31, 51, 78, 113, 157, 211, 276, 353, 443, 547, 666, 801, 953, 1123, 1312, 1521, 1751, 2003, 2278, 2577, 2901, 3251, 3628, 4033, 4467, 4931, 5426, 5953, 6513, 7107, 7736, 8401, 9103, 9843, 10622, 11441, 12301, 13203, 14148, 15137, 16171
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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COMMENTS
| A floretion-generated sequence relating to the sequence "A class of Boolean functions of n variables and rank 2" (among several others- see link "Sequences in Context").
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FORMULA
| a(n) = A005581(n) + 1
a(n)=C(n+3,n)-n, n>=-1 . - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 21 2008
Sequence starting (1, 3, 8, 17,...) = binomial transform of [1, 2, 3, 1, 0, 0, 0,...]. - Gary W. Adamson (qntmpkt(AT)yahoo.com), Apr 24 2008
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MAPLE
| seq (binomial(n+3, n)-n, n=-1..44); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 21 2008
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PROG
| Floretion Algebra Multiplication Program, FAMP Code: 2jescycrokseq[ - .25'i - .25i' - .25'ii' + .25'jj' + .25'kk' + .25'jk' + .25'kj' - .25e] RokType: Y[15] = Y[15] + p, X[15] = X[15] + 1 (internal program code)
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CROSSREFS
| Cf. A005581.
Sequence in context: A033816 A011889 A188426 * A011850 A141422 A001580
Adjacent sequences: A105160 A105161 A105162 * A105164 A105165 A105166
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KEYWORD
| nonn
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AUTHOR
| Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Apr 10 2005
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