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A224629 Number of (n+5)X6 0..2 matrices with each 6X6 subblock idempotent 1
2236302, 396769, 311767, 338635, 396573, 443744, 449369, 544003, 692711, 980320, 1411379, 2030529, 2793530, 3794286, 5011337, 6643245, 8896802, 12138019, 16712716, 23206612, 32113928, 44254185, 60652523, 82906840, 113205446 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A224636

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..60

FORMULA

Empirical: a(n) = 2*a(n-1) -2*a(n-2) +2*a(n-3) -a(n-4) +2*a(n-6) -3*a(n-7) +4*a(n-8) -4*a(n-9) +3*a(n-10) -2*a(n-11) -2*a(n-14) +2*a(n-15) -2*a(n-16) +2*a(n-17) -a(n-18) +a(n-19) for n>30

EXAMPLE

Some solutions for n=2

..1..1..0..0..1..2....1..0..0..0..0..0....1..1..2..0..2..0....1..0..2..0..0..0

..0..0..0..0..0..0....1..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0

..0..0..1..0..0..0....1..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0

..0..0..1..0..0..0....0..0..0..0..2..0....0..0..0..1..1..0....0..1..1..1..1..0

..0..0..0..0..0..0....0..0..0..0..1..0....0..0..0..0..0..0....0..0..0..0..0..0

..0..0..0..0..0..0....0..0..0..0..1..0....0..0..0..1..1..0....0..0..0..0..0..0

..0..0..0..1..0..1....0..0..0..0..2..0....0..0..0..2..0..1....0..1..0..2..0..1

CROSSREFS

Sequence in context: A203275 A034608 A224628 * A224636 A046444 A349722

Adjacent sequences:  A224626 A224627 A224628 * A224630 A224631 A224632

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 12 2013

STATUS

approved

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Last modified May 20 08:03 EDT 2022. Contains 353852 sequences. (Running on oeis4.)