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A130583 Column 3 of triangle A130580. 3
1, 1, 4, 10, 26, 71, 210, 673, 2328, 8649, 34341, 145043, 648895, 3063357, 15208948, 79172266, 430976971, 2447365652, 14466697028, 88841985950, 565817585424, 3731151186118, 25437569103196, 179054298041232, 1299648967295934 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..24.

CROSSREFS

Cf. A130580 (triangle); other columns: A130581, A130582.

Sequence in context: A200464 A099234 A087222 * A240048 A105999 A192210

Adjacent sequences:  A130580 A130581 A130582 * A130584 A130585 A130586

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Jun 05 2007

STATUS

approved

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Last modified October 25 13:59 EDT 2021. Contains 348253 sequences. (Running on oeis4.)