A009504 "Pascal sweep" for k=7: 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, 8, 28, 56, 1, 79, 36, 1, 150, 1, 45, 137, 1, 120, 55, 12, 1, 609, 1, 14, 78, 220, 1, 345, 91, 1, 554, 1, 105, 512, 1, 364, 120, 18, 1, 1872, 1, 20, 153, 560, 1, 1022, 171, 1, 1494, 1, 190, 1388, 1, 816, 210, 24, 1, 4543, 1, 26, 253, 1140, 1, 2407, 276, 1, 3360, 1, 300, 3089

Offset

1,2

Links

Table of n, a(n) for n=1..66.

Crossrefs

Sequence in context: A166729 A202290 A131850 * A001486 A230211 A229393

Adjacent sequences: A009501 A009502 A009503 * A009505 A009506 A009507

Keyword

nonn

Author

David W. Wilson

Status

approved