A111270 Records in A111229.

1, 3, 10, 57, 97, 103, 113, 180, 305, 761, 893, 1047, 1069, 1177, 1214, 1425, 1473, 1481, 1700, 2079, 2543, 2767, 2901, 3027, 3331, 3849, 4239, 5199, 5425, 7407, 8079, 10967, 11541, 15012, 16335, 17248, 24969, 25157, 30383, 34055, 38147, 38861

Offset

1,2

Links

Table of n, a(n) for n=1..42.

Prog

(PARI) x = 1; s = 0; S = Set([]); i = 1; while (1, s += prime(i); d = divisors(s); j = 1; while (setsearch(S, d[j]), j++); n = d[j]; S = setunion(S, Set(n)); if (n == x, print(i); while(setsearch(S, x), x++)); i++); \\ David Wasserman, Jan 07 2009

Crossrefs

Cf. A111271. - David Wasserman, Jan 07 2009

Sequence in context: A203416 A002218 A107871 * A307906 A366696 A274585

Adjacent sequences: A111267 A111268 A111269 * A111271 A111272 A111273

Keyword

nonn

Author

N. J. A. Sloane, Nov 03 2005

Extensions

More terms from David Wasserman, Jan 07 2009

Status

approved