A037158 Convolution of natural numbers n >= 1 with Fibonacci numbers F(k), for k >= -7, with F(-n)=(-1)^(n+1)*F(n).

13, 18, 28, 35, 44, 52, 61, 70, 80, 91, 104, 120, 141, 170, 212, 275, 372, 524, 765, 1150, 1768, 2763, 4368, 6960, 11149, 17922, 28876, 46595, 75260, 121636, 196669, 318070, 514496, 832315, 1346552, 2178600, 3524877, 5703194, 9227780, 14930675

Offset

0,1

Links

Table of n, a(n) for n=0..39.

Formula

a(n) = F(n-3)+(11+8*n); G.f. (13-21*x)/((1-x-x^2)*(1-x)^2); 11=L(5) Lucas number;

Crossrefs

Cf. A000045, A000071, A002062, A037141.

Sequence in context: A131019 A380224 A317771 * A318080 A066469 A318348

Adjacent sequences: A037155 A037156 A037157 * A037159 A037160 A037161

Keyword

easy,nonn

Author

Wolfdieter Lang

Status

approved