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A241930 Number of length n+4 0..2 arrays with no consecutive five elements summing to more than 2*2 1
96, 218, 509, 1187, 2727, 6105, 13783, 31371, 71597, 163265, 371233, 843454, 1917748, 4363488, 9929816, 22591685, 51388147, 116887518, 265895212, 604890821, 1376076749, 3130379281, 7121057576, 16199193540, 36850716662, 83830116628 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A241936

LINKS

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

FORMULA

Empirical: a(n) = a(n-1) +a(n-2) +2*a(n-3) +a(n-4) +12*a(n-5) +3*a(n-6) -5*a(n-7) -17*a(n-8) -11*a(n-9) -42*a(n-10) -25*a(n-11) +5*a(n-12) +38*a(n-13) +36*a(n-14) +80*a(n-15) +47*a(n-16) -a(n-17) -59*a(n-18) -61*a(n-19) -101*a(n-20) -21*a(n-21) -3*a(n-22) +71*a(n-23) +70*a(n-24) +106*a(n-25) -11*a(n-26) +8*a(n-27) -46*a(n-28) -55*a(n-29) -78*a(n-30) +17*a(n-31) -6*a(n-32) +13*a(n-33) +28*a(n-34) +36*a(n-35) -5*a(n-36) +a(n-37) -2*a(n-38) -8*a(n-39) -9*a(n-40) +a(n-44) +a(n-45)

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A044428 A044809 A115437 * A270435 A110231 A108609

Adjacent sequences:  A241927 A241928 A241929 * A241931 A241932 A241933

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 02 2014

STATUS

approved

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Last modified February 15 22:28 EST 2019. Contains 320138 sequences. (Running on oeis4.)