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A322773
Column 2 of array in A322770.
4
5, 18, 70, 299, 1393, 7023, 38043, 220054, 1352082, 8784991, 60125371, 432001747, 3248914361, 25508188118, 208592396802, 1772921926183, 15632838989393, 142759592985079, 1348095912827295, 13145321614286610, 132188675368994446, 1369216940917868547
OFFSET
0,1
LINKS
CROSSREFS
Column k=2 of A346517.
Sequence in context: A188177 A343490 A302077 * A145780 A183443 A034551
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Dec 30 2018
STATUS
approved