A105543 Column 0 of triangle A105542, which equals the matrix square of triangle A105540.

1, 2, 4, 6, 13, 26, 33, 75, 101, 172, 356, 633, 700, 1125, 3844, 3494, 6203, 11890, 21364, 30581, 42967, 94001, 94755, 305936, 220915, 372660, 1087653, 1511734, 2078209, 2677011, 2513857, 6746218, 21036190, 13404655, 37137205, 22572935

Offset

0,2

Comments

Triangular matrix A105540 has the property that column n equals A105540^(n+1) when flattened as read by rows.

Links

Table of n, a(n) for n=0..35.

Crossrefs

Cf. A105542, A105540.

Sequence in context: A291738 A321228 A033305 * A309352 A295618 A346407

Adjacent sequences: A105540 A105541 A105542 * A105544 A105545 A105546

Keyword

nonn

Author

Paul D. Hanna, Apr 13 2005

Status

approved