A238247 - OEIS

A238247

Numbers m such that A072219(m) = 5.

11, 19, 21, 22, 23, 27, 35, 37, 38, 39, 41, 42, 44, 45, 46, 47, 51, 53, 54, 55, 59, 67, 69, 70, 71, 73, 74, 76, 77, 78, 79, 81, 82, 84, 88, 89, 90, 92, 93, 94, 95, 99, 101, 102, 103, 105, 106, 108, 109, 110, 111, 115, 117, 118, 119, 123, 131, 133, 134, 135

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

OFFSET

1,1

COMMENTS

a(n) = A043688(n) + 1.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

PROG

(Haskell)

a238247 n = a238247_list !! (n-1)

a238247_list = filter ((== 5) . a072219) [1..]

CROSSREFS