Voozh

A111316

3, 6, 113573, 230801, 941071, 5166859, 30956561, 123081011, 3050325741, 14086296281, 60060345973, 120331687901, 316465918571, 634257678809, 8042099198501, 34761370800833, 134702376451061, 269979973606237

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..18.

PROG

(PARI) s = 3; S = Set([1, 2]); i = 3; while (1, d = divisors(s); j = 1; while (setsearch(S, d[j]), j++); n = d[j]; if (n == s, print1(s, ", ")); s += n; S = setunion(S, Set(n)); i++); \\ David Wasserman, Jan 09 2009

CROSSREFS

Cf. A109890, A111315.

Sequence in context: A122182 A276701 A157596 * A297530 A394357 A222010

Adjacent sequences: A111313 A111314 A111315 * A111317 A111318 A111319

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 04 2005

EXTENSIONS

More terms from David Wasserman, Jan 09 2009

STATUS

approved

URL: https://oeis.org/A111316

⇱ A111316 - OEIS