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A115083
Column 2 of triangle A115080.
6
1, 3, 7, 31, 150, 853, 5251, 35109, 249332, 1873214, 14754858, 121380083, 1037889452, 9197178411, 84207477581, 794810896751, 7717524260040, 76956293344620, 786822019659120, 8237319107295510, 88193381907972840
OFFSET
0,2
CROSSREFS
Cf. A115080, A115081 (column 0), A115082 (column 1), A115084 (row sums); A115088.
Sequence in context: A042271 A000644 A015459 * A141385 A059296 A123332
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Jan 13 2006
STATUS
approved