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A135905
Column 3 of triangle A135902.
3
1, 4, 24, 186, 1736, 18754, 228658, 3092316, 45802294, 735881882, 12727541778, 235515880084, 4638914346322, 96840935881898, 2134717733185118, 49529467079270060, 1206148832249659798, 30751284267472226682
OFFSET
0,2
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Dec 18 2007
STATUS
approved