A109539 a(n) = a(n-2)+a(n-3)+a(n-4)+a(n-5)+a(n-6)+a(n-7)+a(n-8).

1, 1, 1, 1, 1, 1, 1, 1, 7, 7, 13, 19, 31, 49, 79, 127, 205, 325, 523, 835, 1339, 2143, 3433, 5497, 8803, 14095, 22573, 36145, 57883, 92689, 148429, 237685, 380617, 609499, 976021, 1562947, 2502823, 4007887, 6418021, 10277479, 16457815, 26354677

Offset

0,9

Links

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

Mathematica

F[1] = 1; F[2] = 1; F[3] = 1; F[4] = 1; F[5] = 1; F[6] = 1; F[7] = 1; F[8] = 1; F[n__] := F[n] = F[n - 2] + F[n - 3] + F[n - 4] + F[n - 5] + F[n - 6] + F[n - 7] + F[n - 8] aa = Table[F[n], {n, 1, 50}]

Crossrefs

Sequence in context: A038589 A332304 A317790 * A109541 A173314 A040043

Adjacent sequences: A109536 A109537 A109538 * A109540 A109541 A109542

Keyword

nonn

Author

Roger L. Bagula, Jun 20 2005

Status

approved