A202818 The left-hand half-triangle of A202691.

1, 1, 0, 2, 3, 3, 8, 6, 3, 0, 40, 48, 54, 57, 57, 256, 216, 168, 114, 57, 0

Offset

1,4

Links

Table of n, a(n) for n=1..21.

Example

Triangle begins:
1
1 0
2 3 3
8 6 3 0
40 48 54 57 57
256 216 168 114 57 0

Crossrefs

Cf. A202691, A202817.

Sequence in context: A185297 A329803 A355196 * A256679 A193997 A330048

Adjacent sequences: A202815 A202816 A202817 * A202819 A202820 A202821

Keyword

nonn,tabl,more

Author

N. J. A. Sloane, Dec 25 2011

Status

approved