login
A239371
Words of length n over the alphabet {0,...,n-1} that avoid the pattern 1123.
1
1, 1, 4, 27, 252, 2935, 40351, 633864, 11139840, 215800335, 4557031407, 103989209082, 2546369980589, 66521801043100, 1845008781481516, 54102505102771686, 1671315770146956704, 54219694639758864087, 1842085959295755494339, 65380444351870047159358
OFFSET
0,3
LINKS
Hiroaki Yamanouchi, Table of n, a(n) for n = 0..24
CROSSREFS
Cf. A239295.
Sequence in context: A239376 A239373 A239377 * A201996 A239368 A245408
KEYWORD
nonn
AUTHOR
Chad Brewbaker, Mar 17 2014
EXTENSIONS
a(8)-a(15) from Alois P. Heinz, Mar 17 2014
a(16)-a(19) from Hiroaki Yamanouchi, Oct 02 2014
STATUS
approved