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A171924
Records in A031883 (positions).
1
1, 2, 6, 14, 36, 122, 162, 450, 2364, 4760, 4818, 8541, 19570, 44514, 47448, 114885, 378956, 384324, 542246, 1275572, 1385164, 3865640, 4514352, 5226312, 6271502, 12817002, 18665964, 19815336, 33506604, 42712210
OFFSET
1,2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. J. Mathar, Oct 23 2010
EXTENSIONS
a(16)-a(30) from Donovan Johnson, Oct 24 2010
STATUS
approved