A180385 Number of increasing sequences of n integers x(1),...,x(n) with values in 1..3*n such that x(j) divides x(k) if j divides k

3, 8, 32, 66, 310, 228, 1286, 1857, 1679, 1047, 5462, 5816, 20548, 10255, 6969, 6184, 22842, 20854, 73561, 110264, 64726, 24682, 109028, 152655, 160537, 60818, 63827, 62192, 210722, 302655, 986366, 1527247, 1034364, 351261, 435716, 408394, 1313828

Offset

1,1

Comments

Column 3 of A180383

Links

R. H. Hardin, Table of n, a(n) for n=1..57

Crossrefs

Sequence in context: A003470 A176304 A368208 * A148903 A148904 A218882

Adjacent sequences: A180382 A180383 A180384 * A180386 A180387 A180388

Keyword

nonn

Author

R. H. Hardin Sep 01 2010

Status

approved