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Search: id:A102785
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| A102785 |
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G.f. (x-1)/(-2*x^2+3x^3+2*x-1). |
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+0
1
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| 1, 1, 0, 1, 5, 8, 9, 17, 40, 73, 117, 208, 401, 737, 1296, 2321, 4261, 7768, 13977, 25201, 45752, 83033, 150165, 271520, 491809, 891073, 1613088, 2919457, 5285957, 9572264, 17330985, 31375313, 56805448
(list; graph; listen)
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OFFSET
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0,5
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COMMENT
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Inverse binomial transform of A078017. Inversion of A052102.
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FORMULA
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a(n+3) = 2a(n+2) - 2a(n+1) + 3a(n), a(0) = 1, a(1) = 1, a(2) = 0
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PROGRAM
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Floretion Algebra Multiplication Program, FAMP Code: 4jbasekseq[ (+ 'ii' + 'jj' + 'ij' + 'ji' + e)*x) ] where x is defined as 1/4 times the sum of all 16 floretion basis vectors.
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CROSSREFS
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Cf. A078017, A052102, A077952.
Sequence in context: A045221 A046287 A051220 this_sequence A127493 A006186 A121901
Adjacent sequences: A102782 A102783 A102784 this_sequence A102786 A102787 A102788
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KEYWORD
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nonn
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AUTHOR
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Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Feb 11 2005
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