A224569 Number of (n+5)X(n+5) 0..1 matrices with each 6X6 subblock idempotent

96608, 5668, 5896, 7394, 8880, 10086, 11032, 14984, 21920, 31362, 42844, 55982, 70502, 90452, 119436, 160548, 216352, 288968, 380246, 497284, 651438, 857836, 1134708, 1502902, 1985666, 2615240

Offset

1,1

Comments

Diagonal of A224577

Links

Table of n, a(n) for n=1..26.

Example

Some solutions for n=2
..0..0..1..1..0..1..0....1..0..0..0..0..0..1....1..0..0..0..0..0..0
..0..0..0..0..0..0..0....1..0..0..0..0..0..0....1..0..0..0..0..0..0
..0..0..0..0..0..0..0....1..0..0..0..0..0..0....0..0..1..1..0..0..0
..0..0..0..0..0..0..0....1..0..0..0..0..0..1....0..0..0..0..0..0..0
..0..0..1..1..0..1..0....1..0..0..0..0..0..1....0..0..1..1..0..0..0
..0..0..1..1..0..1..0....1..0..0..0..0..0..1....0..0..0..0..0..0..1
..0..0..0..0..0..0..0....1..0..0..0..0..0..1....0..0..0..0..0..0..1

Crossrefs

Sequence in context: A205613 A205351 A343282 * A224570 A224577 A235299

Adjacent sequences: A224566 A224567 A224568 * A224570 A224571 A224572

Keyword

nonn

Author

R. H. Hardin Apr 10 2013

Status

approved