A113463 Triangle read by rows: n-th row is the smallest set of n numbers in arithmetic progression with the distinct prime signatures.

1, 1, 2, 2, 4, 6, 2, 4, 6, 8, 8, 9, 10, 11, 12, 23, 24, 25, 26, 27, 28, 24, 25, 26, 27, 28, 29, 30, 103, 114, 125, 136, 147, 158, 169, 180, 304, 330, 356, 382, 408, 434, 460, 486, 512, 324, 368, 412, 456, 500, 544, 588, 632, 676, 720, 8, 172, 336, 500, 664, 828, 992, 1156

Offset: 1

Author

David Wasserman, Jan 08 2006

Keywords

• nonn
• tabl
• less

Comments

In this sequence "smallest" means that the last term of the arithmetic progression is minimized, with ties broken by minimizing the first term (or equivalently, by maximizing the common difference).

Crossrefs

Cf. A086786, A113462, A113464.