A185626 Column 1 of triangle A185624.

1, 2, 7, 28, 142, 913, 7244, 69004, 771359, 9933242, 145148660, 2376879719, 43167728519, 861914166441, 18779307089740, 443624137266205, 11299168270825627, 308780443524256478, 9014690419440269085, 280081388252523565158, 9229143937723290061482

Offset: 0

Author

Paul D. Hanna, Sep 07 2011

Keywords

• nonn

Comments

Triangle A185624 equals the matrix square of triangle R = A185620, which satisfies: R^3 - R^2 + I = R shifted left one column.

Crossrefs

Cf. A185620, A185624, A185625, A185627, A185628.