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A157028
Triangle read by rows, A007318 * A156348
1
1, 2, 1, 4, 2, 1, 8, 5, 3, 1, 16, 12, 6, 4, 1, 32, 28, 13, 10, 5, 1, 64, 64, 33, 20, 15, 6, 1, 128, 144, 84, 39, 35, 21, 7, 1, 256, 320, 202, 88, 70, 56, 28, 8, 1, 512, 704, 468, 228, 131, 126, 84, 36, 9, 1, 1024, 1536, 1071, 600, 260, 252, 210, 120, 45, 10, 1
OFFSET
1,2
COMMENTS
Row sums = A157029: (1, 3, 7, 17, 39, 89, 203, 459,...).
FORMULA
Triangle read by rows, binomial transform of A156348.
EXAMPLE
1;
2, 1;
4, 2, 1;
8, 5, 3, 1;
16, 12, 6, 4, 1;
32, 28, 13, 10, 5, 1;
64, 64, 33, 20, 15, 6, 1;
128, 144, 84, 39, 35, 21, 7, 1;
256, 320, 202, 88, 70, 56, 28, 8, 1;
512, 704, 468, 228, 131, 126, 84, 36, 9, 1;
1024, 1536, 1071, 600, 260, 252, 210, 120, 45, 10, 1;
2048, 3328, 2441, 1495, 605, 468, 462, 330, 165, 55, 11, 1;
4096, 7168, 5532, 3508, 1595, 864, 924, 792, 495, 220, 66, 12, 1;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
STATUS
approved