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A118035
Column 2 of triangle A118032, where column 2 of the matrix square of A118032 forms a bisection of this sequence.
8
1, 3, 6, 15, 24, 57, 84, 192, 270, 567, 780, 1683, 2268, 4392, 5832, 12084, 15876, 29073, 37848, 75753, 98058, 172269, 221400, 430248, 550644, 938784, 1194096, 2272308, 2880324, 4793652, 6042600, 11202642, 14072928, 22952439, 28685316
OFFSET
0,2
COMMENTS
Column 2 of triangle A118040 (matrix square of A118032) equals A118043, the even-indexed bisection of this sequence. Column 2 of triangle A118045 equals A118048, the odd-indexed bisection of this sequence.
CROSSREFS
Cf. A118032 (triangle), A118033 (column 0), A118034 (column 1); bisections: A118043 (even-indexed), A118048 (odd-indexed); related triangles: A118040 (A118032^2), A118045.
Sequence in context: A281758 A280465 A282263 * A272073 A282008 A281212
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Apr 10 2006
STATUS
approved