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A269117
Number of sequences with 7 copies each of 1,2,...,n avoiding the pattern 12...n.
2
0, 0, 1, 1850672, 11690616534627, 246211478304046636024, 14919265746950486383601562197, 2285085934263252199073238394141449534, 798203800902002138190338074022806761037450631, 586566986371155102435901052470650279895779757665905993
OFFSET
0,4
LINKS
FORMULA
a(n) = A172603(n) - A268850(n).
CROSSREFS
Column k=7 of A269129.
Sequence in context: A244074 A204951 A205639 * A202469 A346742 A115495
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Feb 19 2016
STATUS
approved