A058330 a(n) is smallest positive integer, distinct from any terms earlier in the sequence, such that (sum{k=1 to n}[a(k)]) divides (product{k=1 to n}[a(k)])*(sum{k=1 to n}[1/a(k)]).

1, 2, 4, 3, 7, 602, 292174, 200550, 21353, 14210, 6174, 2744, 8852, 5554, 3494, 7220, 1536, 2520, 1620, 1236, 896, 784, 1764, 140, 2560, 240, 1128, 3240, 1512, 280, 800, 243, 4557, 245, 1579, 666, 135, 2079, 2646, 4650, 250, 1862, 528, 496, 152, 304, 88

Offset

1,2

Links

Table of n, a(n) for n=1..47.

Example

a(4) = 3 because 3 is smallest positive integer m, not = to 1, 2, or 4, where (1 + 2 + 4 + m) divides 1 * 2 * 4 * m * (1 + 1/2 + 1/4 + 1/m).

Crossrefs

Sequence in context: A309201 A360145 A253792 * A124256 A108503 A331595

Adjacent sequences: A058327 A058328 A058329 * A058331 A058332 A058333

Keyword

nonn

Author

Leroy Quet, Dec 12 2000

Extensions

More terms from Naohiro Nomoto, Jun 26 2001

Status

approved