A094275 Triangle read by rows: for 1 <= k < n, a(n, k) is the least number not already used. For n > 1, a(n, n) is the least number not already used such that the product of the n-th row is a multiple of the product of the previous row.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 30, 15, 16, 17, 18, 19, 1001, 20, 21, 22, 23, 24, 25, 12597, 26, 27, 28, 29, 31, 32, 33, 928625, 34, 35, 36, 37, 38, 39, 40, 41, 6823410, 42, 43, 44, 45, 46, 47, 48, 49, 50, 5726524817, 51, 52, 53, 54, 55, 56, 57, 58

Offset

1,2

Links

Table of n, a(n) for n=1..63.

Crossrefs

Cf. A094276, A094277, A094278, A094279.

Sequence in context: A023768 A023795 A032949 * A060695 A055646 A330336

Adjacent sequences: A094272 A094273 A094274 * A094276 A094277 A094278

Keyword

nonn,easy,less,tabl

Author

Amarnath Murthy, Apr 27 2004

Extensions

Edited and extended by David Wasserman, Jul 26 2006

Status

approved