OFFSET
1,1
COMMENTS
Column 3 of A250927
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 81*a(n-1) -2899*a(n-2) +63295*a(n-3) -958285*a(n-4) +10756670*a(n-5) -93330409*a(n-6) +644640204*a(n-7) -3624496674*a(n-8) +16880394940*a(n-9) -66023717068*a(n-10) +219240302561*a(n-11) -623358921354*a(n-12) +1527544435817*a(n-13) -3241977665792*a(n-14) +5979956364272*a(n-15) -9608041848406*a(n-16) +13461986448007*a(n-17) -16448861092094*a(n-18) +17508255649822*a(n-19) -16196842918537*a(n-20) +12974801039902*a(n-21) -8952649323986*a(n-22) +5282187628341*a(n-23) -2638768086999*a(n-24) +1101316093488*a(n-25) -377022705948*a(n-26) +103145374080*a(n-27) -21690899280*a(n-28) +3292887168*a(n-29) -321226560*a(n-30) +15116544*a(n-31)
EXAMPLE
Some solutions for n=2
..1..0..0..1....1..2..0..0....2..2..2..0....1..2..0..0....1..2..1..0
..0..1..0..1....1..1..0..0....0..0..0..2....1..1..0..1....0..0..1..2
..0..2..0..0....1..1..1..2....0..2..0..0....2..2..0..0....2..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 28 2014
STATUS
approved