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A188801
Column 1 of array in A188797.
2
-3, -18, 513, 33588, 2808945, -41843142, -6519779667, -485174610648, -544306979739483, -86437871519050170, 457002245380426137, 3569731062346847916252, -620271257755918954475367, 292423979518758253028885778, 278778044913113754743640514245
OFFSET
0,1
LINKS
CROSSREFS
Sequence in context: A181040 A118704 A132514 * A304780 A265468 A365292
KEYWORD
sign,easy
AUTHOR
N. J. A. Sloane, Apr 10 2011
STATUS
approved