A009550 "Pascal sweep" for k=10: draw a horizontal line through the 1 at C(k,0) in Pascal's triangle; rotate this line and record the sum of the numbers on it (excluding the initial 1).

1, 11, 55, 165, 330, 463, 12, 528, 220, 1, 838, 78, 793, 286, 14, 1896, 15, 364, 1288, 105, 1809, 1, 455, 1836, 17, 2003, 1365, 560, 136, 18, 1, 10945, 1, 20, 171, 816, 2380, 4369, 21, 5195, 969, 1, 6514, 210, 6189, 1140, 23, 13403, 24, 1330, 8569, 253, 11305, 1, 1540

Offset

1,2

Links

Table of n, a(n) for n=1..55.

Crossrefs

Sequence in context: A153449 A047649 A010927 * A226255 A022606 A072025

Adjacent sequences: A009547 A009548 A009549 * A009551 A009552 A009553

Keyword

nonn

Author

David W. Wilson

Status

approved