A037459 Sum{d(i)*5^i: i=0,1,...,m}, where Sum{d(i)*4^i: i=0,1,...,m} is the base 4 representation of n.

1, 2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 15, 16, 17, 18, 25, 26, 27, 28, 30, 31, 32, 33, 35, 36, 37, 38, 40, 41, 42, 43, 50, 51, 52, 53, 55, 56, 57, 58, 60, 61, 62, 63, 65, 66, 67, 68, 75, 76, 77, 78, 80, 81, 82, 83, 85, 86, 87, 88, 90, 91, 92, 93

Offset

1,2

Links

Table of n, a(n) for n=1..63.

Formula

A020654 \ {0}. [From R. J. Mathar, Oct 20 2008]

Crossrefs

Sequence in context: A062071 A087069 A023737 * A020654 A182777 A214988

Adjacent sequences: A037456 A037457 A037458 * A037460 A037461 A037462

Keyword

nonn,base

Author

Clark Kimberling

Status

approved