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 A249080 Number of length n+5 0..3 arrays with every six consecutive terms having two times the sum of some two elements equal to the sum of the remaining four 1
 1324, 1944, 2844, 4136, 5964, 8504, 11964, 18884, 29484, 45428, 68892, 102564, 149644, 243804, 391596, 618620, 958668, 1453724, 2153964, 3554444, 5775660, 9219020, 14417004, 22033164, 32862124, 54520044, 89029164, 142746476 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 3 of A249085 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 FORMULA Empirical: a(n) = a(n-1) +30*a(n-6) -30*a(n-7) -280*a(n-12) +280*a(n-13) +960*a(n-18) -960*a(n-19) -1024*a(n-24) +1024*a(n-25) EXAMPLE Some solutions for n=6 ..3....3....1....1....3....3....0....0....0....1....2....2....3....1....0....0 ..0....0....3....3....1....2....3....3....3....0....3....0....0....3....0....1 ..2....2....3....3....0....0....0....3....1....0....0....3....0....2....2....2 ..3....2....2....1....3....0....1....1....3....1....0....2....2....0....2....3 ..2....1....3....1....2....1....0....2....0....1....1....2....2....0....3....2 ..2....1....0....0....0....3....2....0....2....3....0....0....2....3....2....1 ..0....0....1....1....3....3....3....3....3....1....2....2....0....1....0....0 ..0....0....3....3....1....2....0....3....3....0....3....0....0....3....0....1 ..2....2....0....0....0....0....3....0....1....0....0....0....3....2....2....2 ..3....2....2....1....0....0....1....1....3....1....3....2....2....0....2....0 ..2....1....0....1....2....1....0....2....3....1....1....2....2....0....3....2 CROSSREFS Sequence in context: A186469 A145754 A020403 * A248984 A202374 A259415 Adjacent sequences:  A249077 A249078 A249079 * A249081 A249082 A249083 KEYWORD nonn AUTHOR R. H. Hardin, Oct 20 2014 STATUS approved

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Last modified October 26 17:32 EDT 2020. Contains 338027 sequences. (Running on oeis4.)