A170972 Expansion of Product_{i=0..m-1} (1 + x^(4*i+1)) for m = 9.

1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 2, 1, 0, 1, 2, 1, 0, 1, 3, 2, 0, 1, 3, 3, 1, 1, 4, 4, 1, 1, 4, 5, 2, 0, 4, 7, 3, 0, 3, 7, 5, 1, 3, 8, 6, 1, 2, 8, 8, 2, 2, 8, 9, 3, 1, 7, 11, 5, 1, 7, 11, 6, 1, 5, 12, 8, 1, 4, 11, 9, 2, 3, 11, 11, 3, 2, 9, 11, 4, 1, 8, 12, 5, 1, 6, 11, 7, 1, 5, 11, 7, 1, 3, 9, 8, 2, 2

Offset

0,15

Links

Nathaniel Johnston, Table of n, a(n) for n = 0..153 (full sequence)

Formula

a(n) = a(153-n). - Rick L. Shepherd, Mar 01 2013

Mathematica

CoefficientList[Series[Product[1+x^(4i+1), {i, 0, 8}], {x, 0, 100}], x] (* Harvey P. Dale, Jun 17 2013 *)

Crossrefs

Cf. A169975, A170966-A170984.

Sequence in context: A170969 A170970 A170971 * A170973 A170974 A170975

Adjacent sequences: A170969 A170970 A170971 * A170973 A170974 A170975

Keyword

nonn,fini,full,easy

Author

N. J. A. Sloane, Aug 29 2010

Status

approved