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A115084 Row sums of triangle A115080. 6
1, 2, 6, 20, 82, 397, 2186, 13241, 86578, 603249, 4440800, 34313272, 276904847, 2324369733, 20227700385, 181987602305, 1688734327673, 16129293322211, 158281104406067, 1593383284029479, 16431757177327175, 173372313294822983 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..21.

CROSSREFS

Cf. A115080, A115081 (column 0), A115082 (column 1), A115083 (column 2); A115089.

Sequence in context: A177475 A118476 A260788 * A177476 A266600 A177474

Adjacent sequences:  A115081 A115082 A115083 * A115085 A115086 A115087

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Jan 13 2006

STATUS

approved

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Last modified April 6 15:20 EDT 2020. Contains 333276 sequences. (Running on oeis4.)