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A269125
Number of sequences with n copies each of 1,2,...,7 avoiding the pattern 12...7.
2
1, 5039, 674641325, 171248808285596, 54391509124298646609, 18675035107760751336633904, 6541943110420293280017597411002, 2285085934263252199073238394141449534, 789007694236868030155290867470985247486401, 268568796699793322439632085075432144258760935329
OFFSET
0,2
LINKS
FORMULA
a(n) = A071549(n) - A268843(n).
CROSSREFS
Row n=7 of A269129.
Sequence in context: A309034 A237690 A290121 * A111030 A068378 A036458
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Feb 19 2016
STATUS
approved