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A099559 Sum C(n-4k,k+1), k=0..floor(n/5). 0
0, 1, 2, 3, 4, 5, 7, 10, 14, 19, 25, 33, 44, 59, 79, 105, 139, 184, 244, 324, 430, 570, 755, 1000, 1325, 1756, 2327, 3083, 4084, 5410, 7167, 9495, 12579, 16664, 22075, 29243, 38739, 51319, 67984, 90060, 119304, 158044, 209364, 277349, 367410, 486715 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

FORMULA

Partial sums of A003520 (with leading zero). G.f.: x/((1-x)(1-x-x^5)); a(n)=2a(n-1)-a(n-2)+a(n-5)-a(n-6).

CROSSREFS

Cf. A098578.

Sequence in context: A087830 A039857 A017836 * A017898 A003269 A087221

Adjacent sequences:  A099556 A099557 A099558 * A099560 A099561 A099562

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Oct 22 2004

EXTENSIONS

Values from a(5) on corrected by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 29 2008

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Last modified February 16 07:39 EST 2012. Contains 205881 sequences.