# A003276 (b-file synthesized from sequence entry)
1 1
2 3
3 15
4 104
5 495
6 975
7 22935
8 32864
9 57584
10 131144
11 491535
12 2539004
13 3988424
14 6235215
15 7378371
16 13258575
17 17949434
18 25637744
19 26879684
20 29357475
21 32235735
22 41246864
23 48615735
24 184611375
25 229944855
26 257278724
27 290849624
28 429461864
29 550666515
30 671054835
31 706075095