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A233534 Fourth column of triangle A233530. 4
1, 4, 18, 112, 953, 10500, 143308, 2342284, 44677494, 974898636, 23957348188, 654735747960, 19696461781336, 646719936551000, 23011823302544368, 881974963187446672, 36221318006594087010, 1586737195260479665112, 73850241923431162931872, 3638980616346240786818936 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A000986 A364623 A143920 * A113356 A062805 A326093
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Dec 14 2013
STATUS
approved

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Last modified March 29 05:16 EDT 2024. Contains 371264 sequences. (Running on oeis4.)