A242581 - OEIS

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A242581 as a simple table

n	a(n)
1	14
2	46
3	175
4	744
5	3453
6	17178
7	90033
8	489821
9	2734513
10	15534111
11	89271482
12	516935609
13	3008249095
14	17562798942
15	102750973652
16	601965097333
17	3529737223262
18	20709247799845
19	121548480504365
20	713577294998844

[14,46,175,744,3453,17178,90033,489821,2734513, 15534111,89271482,516935609,3008249095, 17562798942,102750973652,601965097333, 3529737223262,20709247799845,121548480504365, 713577294998844]