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

Author

Reinhard Zumkeller, Oct 25 2007

Keywords

• nonn

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.