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A121954
Incorrect duplicate of A058307.
1
0, 1, 3, 13, 68, 420, 3015, 24541, 223884, 2263381, 25121075, 303716281, 3973432728, 55931774473, 842950049823, 13543132571641, 231076203767720, 4172914800390601
OFFSET
0,3
CROSSREFS
Sequence in context: A125279 A376233 A186371 * A058307 A020107 A284718
KEYWORD
dead
STATUS
approved