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A106263
Row sums of number triangle A106262.
1
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
0,3
FORMULA
a(n)=sum{k=0..n, (2^(n-k) mod k+2)}
CROSSREFS
Sequence in context: A039881 A364652 A035113 * A089642 A327182 A030403
KEYWORD
easy,nonn
AUTHOR
Paul Barry, Apr 28 2005
STATUS
approved