A239554 Number of compositions of n such that the first part is 1 and the second differences of the parts are in {-4,...,4}.

1, 1, 1, 2, 4, 8, 15, 28, 52, 97, 183, 344, 647, 1219, 2295, 4322, 8140, 15338, 28899, 54449, 102588, 193297, 364219, 686272, 1293113, 2436562, 4591090, 8650808, 16300370, 30714116, 57873375, 109048498, 205475699, 387169634, 729528290, 1374621010, 2590143467

Offset

0,4

Links

Alois P. Heinz, Table of n, a(n) for n = 0..1000

Crossrefs

Column k=4 of A239550.

Sequence in context: A128805 A141018 A049864 * A268393 A118870 A171857

Adjacent sequences: A239551 A239552 A239553 * A239555 A239556 A239557

Keyword

nonn

Author

Alois P. Heinz, Mar 21 2014

Status

approved