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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..20.

CROSSREFS

Cf. A115080, A115081 (column 0), A115082 (column 1), A115084 (row sums); A115088.

Sequence in context: A042271 A000644 A015459 * A141385 A059296 A123332

Adjacent sequences:  A115080 A115081 A115082 * A115084 A115085 A115086

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Jan 13 2006

STATUS

approved

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Last modified September 19 12:49 EDT 2020. Contains 337178 sequences. (Running on oeis4.)