A137242 Numbers n such that A116127(n) = 2.

4, 6, 8, 9, 11, 12, 14, 15, 16, 18, 19, 21, 22, 23, 24, 25, 27, 29, 31, 32, 36, 37, 38, 39, 40, 44, 48, 50, 51, 54, 55, 56, 58, 59, 63, 65, 67, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 84, 85, 86, 87, 88, 90, 92, 93, 94, 95, 96, 100, 102, 103, 105, 107, 108, 110, 111, 112, 117

Offset: 1

Author

Giovanni Teofilatto, Mar 09 2008

Keywords

• easy
• nonn

Comments

See also A049579 for a(n) = n iff A116127(n) = 2n with n>0.

Crossrefs

Cf. A049579, A116127.

Extensions

Corrected (71 inserted) by R. J. Mathar, Apr 22 2010