A033924 Base 4 digital convolution sequence.

1, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6, 2, 3, 4, 5, 3, 4, 5, 6, 4, 5, 6, 7, 5, 6, 7, 8, 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10, 6, 7, 8, 9, 7, 8, 9, 10, 8, 9, 10, 11, 9, 10, 11, 12, 3, 4, 5, 6, 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10, 8, 9, 10, 11, 7, 8, 9

Offset

1,3

Links

Table of n, a(n) for n=1..99.

Formula

For example, 53 = 311 in base 4, so a(53) = 3a(2)+1a(1)+1a(0).

Crossrefs

Sequence in context: A129968 A027615 A053737 * A276328 A276332 A359264

Adjacent sequences: A033921 A033922 A033923 * A033925 A033926 A033927

Keyword

nonn,base

Author

David W. Wilson

Status

approved