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A048144 Sum_{k=0..n} (k!)^2*Stirling_2(n,k)^2. +0
4
1, 1, 5, 73, 2069, 95401, 6487445, 610093513, 75796724309, 12020754177001, 2369364111428885, 568128719132038153, 162835627057766030549, 54975855375379966645801, 21593185551426744571090325, 9762238510837560633366673993, 5033241437347149354018370856789 (list; graph; listen)
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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