A134421 Partial sums of A134021.

1, 2, 4, 6, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, 39, 43, 47, 51, 55, 59, 63, 67, 71, 75, 79, 83, 87, 91, 95, 99, 103, 107, 111, 115, 119, 123, 127, 131, 135, 139, 143, 148, 153, 158, 163, 168, 173, 178, 183, 188, 193, 198, 203, 208, 213, 218, 223, 228, 233, 238, 243

Offset

0,2

Comments

a(n) = if n=0 then A134021(0) else a(n-1)+A134021(n);

n = Sum(A059095(a(n)-2-k)*3^k: 0<=k < A134021(n)), for n>0.

Links

Table of n, a(n) for n=0..60.

Crossrefs

Sequence in context: A077473 A200738 A129896 * A092777 A186380 A006463

Adjacent sequences: A134418 A134419 A134420 * A134422 A134423 A134424

Keyword

nonn

Author

Reinhard Zumkeller, Oct 25 2007

Status

approved