A106263 Row sums of number triangle A106262.

1, 1, 3, 4, 5, 8, 12, 11, 16, 16, 28, 27, 36, 34, 45, 53, 60, 60, 66, 72, 86, 104, 111, 95, 119, 109, 161, 182, 185, 161, 175, 169, 199, 210, 249, 258, 310, 248, 340, 332, 356, 297, 370, 352, 424, 428, 465, 502, 500, 450, 547, 590, 613, 588, 630, 569, 595, 630

Offset: 0

Author

Paul Barry, Apr 28 2005

Keywords

• easy
• nonn

Formula

a(n)=sum{k=0..n, (2^(n-k) mod k+2)}