A145102 a(0) = a(1) = 1. a(n+1) = floor(n*a(n)/a(n-1)), for n >= 1.

1, 1, 1, 2, 6, 12, 10, 5, 3, 4, 12, 30, 27, 10, 4, 5, 18, 57, 53, 16, 5, 6, 25, 91, 83, 21, 6, 7, 31, 124, 116, 28, 7, 8, 37, 157, 148, 33, 8, 9, 43, 191, 182, 40, 9, 9, 45, 230, 240, 50, 10, 10, 51, 265, 275, 56, 11, 11, 57, 300, 310, 62, 12, 12, 63, 336, 346, 67, 12, 12, 69, 402

Offset

0,4

Links

Table of n, a(n) for n=0..71.

Prog

(PARI) {print1(a=1, ", ", b=1, ", "); for(n=2, 71, print1(c=floor((n-1)*b/a), ", "); a=b; b=c)} \\ Klaus Brockhaus, Oct 02 2008

Crossrefs

Cf. A145103.

Sequence in context: A210842 A245777 A245785 * A145103 A329654 A009230

Adjacent sequences: A145099 A145100 A145101 * A145103 A145104 A145105

Keyword

nonn

Author

Leroy Quet, Oct 01 2008

Extensions

More terms from Klaus Brockhaus and R. J. Mathar, Oct 02 2008

Status

approved