A274361 Numbers n such that n and n+1 both have 20 divisors.

5264, 7695, 13040, 27135, 33615, 38960, 41391, 44144, 54351, 55808, 62127, 64719, 70064, 72495, 77679, 100624, 101007, 108783, 108944, 116720, 124335, 124496, 132111, 132272, 139887, 145232, 160784, 165807, 176336, 186704, 191888, 199375, 202095

Offset

1,1

Links

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

Prog

(PARI) is(n)=numdiv(n)==20 && numdiv(n+1)==20

Crossrefs

Intersection of A005237 and A030638.

Cf. A000005, A274357.

Sequence in context: A143936 A204281 A251901 * A223494 A265985 A234994

Adjacent sequences: A274358 A274359 A274360 * A274362 A274363 A274364

Keyword

nonn

Author

Charles R Greathouse IV, Jun 19 2016

Status

approved