A141748 a(n) = n-th nonnegative integer k such that there is a unique nonnegative integer pair (i,j) for which n = 2^i + 3^j.

2, 3, 4, 7, 9, 10, 13, 19, 25, 28, 29, 31, 33, 41, 43, 59, 65, 67, 73, 82, 83, 85, 89, 91, 97, 113, 129, 131, 137, 145, 155, 209, 244, 245, 247, 251, 257, 265, 275, 283, 307, 337, 371, 499, 513, 515, 521, 539, 593, 730, 731, 733, 737, 745, 755, 761, 793, 857, 985

Offset

1,1

Comments

Locations of 1's in A141747.

Links

Table of n, a(n) for n=1..59.

Crossrefs

Cf. A141747, A085634.

Sequence in context: A137451 A325091 A057912 * A057267 A277066 A138576

Adjacent sequences: A141745 A141746 A141747 * A141749 A141750 A141751

Keyword

nonn

Author

Clark Kimberling, Jul 01 2008

Status

approved