OFFSET
1,1
COMMENTS
Column 7 of A229534.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 82*a(n-1) - 2779*a(n-2) + 50254*a(n-3) - 514677*a(n-4) + 2743554*a(n-5) - 2950648*a(n-6) - 48609034*a(n-7) + 245316224*a(n-8) - 89432156*a(n-9) - 2444502643*a(n-10) + 5704858072*a(n-11) + 7254972423*a(n-12) - 41716035658*a(n-13) + 18035762825*a(n-14) + 132606292618*a(n-15) - 178302990168*a(n-16) - 171928095488*a(n-17) + 491624257303*a(n-18) - 70904009836*a(n-19) - 621985038704*a(n-20) + 477824279660*a(n-21) + 281672875548*a(n-22) - 522707244404*a(n-23) + 119050620101*a(n-24) + 190519380818*a(n-25) - 140300285301*a(n-26) + 10246766686*a(n-27) + 24709126330*a(n-28) - 9478840252*a(n-29) - 368991021*a(n-30) + 964165580*a(n-31) - 172681320*a(n-32) - 20355920*a(n-33) + 9906636*a(n-34) - 719568*a(n-35) - 120720*a(n-36) + 22272*a(n-37) - 1024*a(n-38) for n > 39.
EXAMPLE
Some solutions for n=3:
0 1 2 2 0 2 0 0 1 0 1 0 2 1 0 1 0 2 2 1 0
0 1 0 1 0 2 0 0 1 0 1 0 1 0 0 1 0 1 0 1 2
2 1 0 2 0 2 0 0 1 0 2 0 1 2 2 1 0 1 0 1 2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 25 2013
STATUS
approved