# A028148 (b-file synthesized from sequence entry)
0 1
1 31
2 617
3 10079
4 147609
5 2022447
6 26547529
7 338695423
8 4238709497
9 52353238223
10 640806363561
11 7794824571807
12 94411354501465
13 1140149916014959
14 13741090450747913
15 165378493289389631