A102431 Row sums of A102430.

2, 4, 8, 10, 15, 17, 24, 28, 35, 37, 49, 51, 60, 65, 80, 82, 99, 101, 121, 127, 144, 146, 176, 180, 203, 211, 243, 245, 283, 285, 328, 336, 375, 380, 443, 445, 494, 504, 574, 576, 650, 652, 733, 748, 825, 827, 942, 946, 1047, 1059, 1181, 1183, 1316, 1322, 1473

Offset

2,1

Links

Alois P. Heinz, Table of n, a(n) for n = 2..1000

Formula

a(n) = Sum_{k=2..n} A102430(n,k).

Example

a(3)=4 partitions of 3 into powers of 2 or 3: 3.2^0, 1.2^0+1.2^1, 3.3^0, 1.3^1

Crossrefs

Cf. A102430, A102432, A102433, A102434.

Sequence in context: A067925 A323102 A331627 * A076919 A336659 A341655

Adjacent sequences: A102428 A102429 A102430 * A102432 A102433 A102434

Keyword

easy,nonn

Author

Marc LeBrun, Jan 08 2005

Status

approved