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A107853 G.f. x*(x-1)*(x+1)^3/((2*x^3+x^2-1)*(x^4+1)). 2
0, 1, 2, 1, 2, 3, 2, 7, 10, 13, 26, 33, 50, 83, 114, 183, 282, 413, 650, 977, 1474, 2275, 3426, 5223, 7978, 12077, 18426, 28033, 42578, 64883, 98642, 150039, 228410, 347325, 528490, 804145, 1223138, 1861123, 2831426, 4307399, 6553674, 9970253 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..41.

Index entries for linear recurrences with constant coefficients, signature (0,1,2,-1,0,1,2).

FORMULA

a(n) = 2*A159287(n) + A091337(n+6).

PROG

Floretion Algebra Multiplication Program, FAMP Code: - 2basejforzapseq[(.5i' + .5j' + .5'ki' + .5'kj')*(.5'i + .5'j + .5'ik' + .5'jk')], 1vesforzap = A000004

CROSSREFS

Cf. A107849, A107850, A107851, A107852, A107854.

Sequence in context: A214720 A035368 A249686 * A054758 A077876 A095056

Adjacent sequences:  A107850 A107851 A107852 * A107854 A107855 A107856

KEYWORD

easy,nonn

AUTHOR

Creighton Dement, May 25 2005

STATUS

approved

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Last modified June 24 07:19 EDT 2017. Contains 288697 sequences.