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A160507
Duplicate of A071734.
0
1, 6, 27, 98, 315, 913, 2462, 6237, 15035, 34705, 77231, 166364, 348326, 710869, 1417900, 2769730, 5308732, 9999185, 18533944, 33845975, 60960273, 108389248, 190410133, 330733733, 568388100, 967054374, 1629808139, 2722189979, 4508130889, 7405471040
OFFSET
0,2
CROSSREFS
Sequence in context: A320049 A121591 A071734 * A182821 A277283 A160533
KEYWORD
dead
STATUS
approved