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A233750 Number of (n+1)X(2+1) 0..5 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 10 1
3244, 91116, 2317964, 62155368, 1654352580, 44256803664, 1183521086580, 31668690140876, 847408414199032, 22677312254655280, 606869192776241604, 16240684935695122220, 434625017327410278708, 11631241726803241883132 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A233755

LINKS

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

FORMULA

Empirical: a(n) = 28*a(n-1) +258*a(n-2) -8153*a(n-3) -21818*a(n-4) +884110*a(n-5) +641196*a(n-6) -49138214*a(n-7) +7881936*a(n-8) +1607832444*a(n-9) -1043204114*a(n-10) -33437651311*a(n-11) +31731911114*a(n-12) +463391143344*a(n-13) -530799098345*a(n-14) -4407915878767*a(n-15) +5632602673516*a(n-16) +29289730685819*a(n-17) -40018456626533*a(n-18) -137180728733978*a(n-19) +194997456311814*a(n-20) +454206116121400*a(n-21) -657831115817189*a(n-22) -1062348157268958*a(n-23) +1537508763715626*a(n-24) +1751866868878969*a(n-25) -2476743191321207*a(n-26) -2036444198056430*a(n-27) +2723651246669803*a(n-28) +1674200095938075*a(n-29) -2016791049187732*a(n-30) -976960955082435*a(n-31) +985471325349785*a(n-32) +401735680540938*a(n-33) -307547802798483*a(n-34) -112638329429263*a(n-35) +58076876665437*a(n-36) +20060500861421*a(n-37) -6092017479043*a(n-38) -2023405058657*a(n-39) +313961613786*a(n-40) +99780981302*a(n-41) -5783024558*a(n-42) -1748862224*a(n-43) -15322920*a(n-44)

EXAMPLE

Some solutions for n=2

..0..3..1....0..4..2....0..5..4....3..1..0....0..0..3....2..0..5....5..1..3

..0..5..0....0..5..0....0..1..5....2..5..0....5..0..5....5..0..2....3..0..5

..1..3..1....1..1..0....2..5..4....0..3..3....2..0..5....5..5..2....5..0..0

CROSSREFS

Sequence in context: A185465 A254974 A118212 * A252014 A247725 A265198

Adjacent sequences:  A233747 A233748 A233749 * A233751 A233752 A233753

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 15 2013

STATUS

approved

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Last modified December 1 02:46 EST 2021. Contains 349426 sequences. (Running on oeis4.)