A254940 Number of length n 1..(1+1) arrays with every leading partial sum divisible by 2, 3, 5, 7 or 11

1, 2, 4, 8, 16, 32, 58, 81, 104, 140, 169, 194, 246, 328, 466, 738, 1132, 1514, 1878, 2533, 3848, 5826, 8206, 10882, 13816, 16971, 20870, 26851, 37027, 54519, 82722, 124688, 186188, 278055, 408883, 576910, 784125, 1067954, 1506714, 2175618, 3097610

Offset

1,2

Comments

Column 1 of A254947

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

All solutions for n=4
..2....2....2....2....2....2....2....2
..2....2....1....1....2....2....1....1
..1....2....2....1....1....2....1....2
..2....2....1....1....1....1....2....2

Crossrefs

Sequence in context: A326081 A245392 A115909 * A196724 A056644 A007813

Adjacent sequences: A254937 A254938 A254939 * A254941 A254942 A254943

Keyword

nonn

Author

R. H. Hardin, Feb 10 2015

Status

approved