A219637 Numbers that occur twice in A219641.

0, 2, 4, 7, 9, 12, 14, 16, 20, 22, 24, 27, 29, 33, 35, 37, 40, 42, 45, 47, 49, 54, 56, 58, 61, 63, 66, 68, 70, 74, 76, 78, 81, 83, 88, 90, 92, 95, 97, 100, 102, 104, 108, 110, 112, 115, 117, 121, 123, 125, 128, 130, 133, 135, 137, 143, 145, 147, 150, 152, 155

Offset: 1

Author

Antti Karttunen, Nov 24 2012

Keywords

• nonn

Links

• A. Karttunen, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A219636, A219639, A219641.