A100918 A077175(n) / A077176(n).

1, 1, 2, 24, 64, 540, 8640, 34560, 103680, 3326400, 23224320, 96768000, 764225280, 24385536000, 108391219200, 1097349120000, 29847896064000, 1631977611264000, 12384682168320000, 8034351316992000, 36502221127680000

Offset

1,3

Links

Table of n, a(n) for n=1..21.

Crossrefs

Cf. A077172, A077173, A077174, A077175, A077176.

Sequence in context: A257663 A292162 A068878 * A152965 A345692 A139284

Adjacent sequences: A100915 A100916 A100917 * A100919 A100920 A100921

Keyword

nonn

Author

Ray Chandler, Nov 29 2004

Status

approved