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A224572 Number of (n+5)X8 0..1 matrices with each 6X6 subblock idempotent 1
16696, 5696, 5896, 6659, 7295, 7884, 8294, 9831, 12556, 16161, 20310, 25054, 30119, 36575, 45620, 58199, 74850, 96163, 122349, 154920, 196491, 250483, 320946, 412715, 530569, 680836, 872526, 1118125, 1434098, 1841746, 2367044, 3042526, 3909641 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A224577

LINKS

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

FORMULA

Empirical: a(n) = 3*a(n-1) -4*a(n-2) +4*a(n-3) -3*a(n-4) +a(n-5) +2*a(n-6) -5*a(n-7) +6*a(n-8) -6*a(n-9) +4*a(n-10) -a(n-11) -a(n-12) +2*a(n-13) -2*a(n-14) +2*a(n-15) -a(n-16) for n>21

EXAMPLE

Some solutions for n=2

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

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

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

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

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

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

CROSSREFS

Sequence in context: A108843 A232449 A260312 * A186311 A181098 A202896

Adjacent sequences:  A224569 A224570 A224571 * A224573 A224574 A224575

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 10 2013

STATUS

approved

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Last modified June 25 06:13 EDT 2017. Contains 288709 sequences.