A204046 Least term of A094179 with exactly 2n divisors.

3, 27, 63, 231, 567, 1323, 5103, 2079, 4851, 27783, 413343, 13167, 3720087, 250047, 43659, 100947, 301327047, 160083, 2711943423, 118503, 392931, 20253807, 219667417263, 276507, 2139291, 182284263, 1013859, 1066527, 160137547184727, 3361743, 1441237924662543

Offset

1,1

Links

Ray Chandler, Table of n, a(n) for n = 1..2098 (a(2099) exceeds 1000 digits).

Formula

For odd prime p, a(p) = 3^(p-1)*7.

Crossrefs

Cf. A018782, A078714, A094179, A204086.

Sequence in context: A053360 A176963 A376295 * A305094 A120117 A152759

Adjacent sequences: A204043 A204044 A204045 * A204047 A204048 A204049

Keyword

nonn

Author

Ray Chandler, Jan 10 2012

Status

approved