A324134 - cp's OEIS frontend

A324134 Number of permutations of [n] that avoid the shuffle pattern s-k-t, where s = 12 and t = 132.

n	a(n)
0	1
1	1
2	2
3	6
4	24
5	120
6	710
7	4800
8	36298
9	302780
10	2758618
11	27246450
12	289962508
13	3308024082
14	40278949800
15	521427324542
16	7152011191362
17	103621538280688
18	1581465201545374
19	25361207137790358
20	426374509273382756
21	7499269147438400178
22	137728268057069904088
23	2636572230825216681414

[1, 1, 2, 6, 24, 120, 710, 4800, 36298, 302780, 2758618, 27246450, 289962508, 3308024082, 40278949800, 521427324542, 7152011191362, 103621538280688, 1581465201545374, 25361207137790358, 426374509273382756, 7499269147438400178, 137728268057069904088, 2636572230825216681414]

cp's OEIS Frontend

A324134 Number of permutations of [n] that avoid the shuffle pattern s-k-t, where s = 12 and t = 132.

Table of values

List of values