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A152799 Column 2 of triangle A152798; first differences of A122889. 3
1, 1, 3, 6, 15, 40, 113, 348, 1148, 4045, 15203, 60710, 256688, 1145887, 5386283, 26590338, 137537012, 743766652, 4196681423, 24661702224, 150676068558, 955611495432, 6281965526173, 42745748797360, 300690981532778 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

CROSSREFS

Cf. A152798, A122889.

Sequence in context: A086326 A098701 A218777 * A140824 A001433 A005368

Adjacent sequences:  A152796 A152797 A152798 * A152800 A152801 A152802

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Dec 23 2008

STATUS

approved

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Last modified May 22 14:32 EDT 2019. Contains 323480 sequences. (Running on oeis4.)