A033641 Base 4 digital convolution sequence.

1, 1, 2, 6, 2, 8, 18, 62, 36, 160, 392, 1496, 1176, 5664, 14856, 61560, 5664, 20520, 102600, 313464, 123120, 539184, 1514952, 5207160, 3569088, 15498360, 43342056, 164591976, 145524528, 682642512, 1966450584, 8092803816, 1365285024

Offset

0,3

Links

Table of n, a(n) for n=0..32.

Example

Suppose base = 3 and a(0)..a(13) are 1 1 2 1 3 7 6 20 52 6 26 104 32 162. In base 3, 14 = 112, so we convolve the last three terms with 1, 1, 2 to obtain 104*1+32*1+162*2 = 460.

Crossrefs

Sequence in context: A043294 A365260 A368522 * A153190 A010240 A369994

Adjacent sequences: A033638 A033639 A033640 * A033642 A033643 A033644

Keyword

base,nonn

Author

David W. Wilson

Status

approved