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A224570 Number of (n+5)X6 0..1 matrices with each 6X6 subblock idempotent 1
96608, 18044, 16696, 18868, 22096, 25769, 28708, 33705, 40120, 50747, 67088, 91787, 125249, 171289, 230543, 308919, 413997, 558937, 759651, 1041635, 1432497, 1971637, 2708903, 3714751, 5085273, 6961121, 9533251, 13070447, 17936977 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A224577

LINKS

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

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

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

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

..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0

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

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

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

CROSSREFS

Sequence in context: A205351 A343282 A224569 * A224577 A235299 A186013

Adjacent sequences:  A224567 A224568 A224569 * A224571 A224572 A224573

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 10 2013

STATUS

approved

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Last modified June 24 21:50 EDT 2021. Contains 345433 sequences. (Running on oeis4.)