A104655 Let c(i) = A018252(i) be the i-th nonprime; then the final entry in row n of A101513 is c(a(n)) (see A104656), for n >= 3.

4, 8, 11, 17, 22, 30, 37, 46, 55, 66, 77, 90, 103, 117, 132, 148, 166, 183, 201, 222, 242, 264, 287, 310, 334, 360, 387, 413, 442, 470, 500, 533, 564, 598, 631, 665, 701, 738, 775, 813, 853, 893, 936, 979, 1022, 1065, 1110, 1154, 1202, 1251, 1299, 1349, 1401

Offset: 3

Author

N. J. A. Sloane, Apr 22 2005

Keywords

• nonn
• easy

Comments

The entries up to 66 have been checked, but the remaining entries are based on my hypothetical formula (see A101513). (It would be easy to check them.)

I have checked that these are correct entries from the triangle, but not that they match the hypothetical formula (from A101513). - Joshua Zucker, May 20 2006

Crossrefs

Cf. A101513, A104656, A073425.

Extensions

More terms from Joshua Zucker, May 20 2006