# A028090 (b-file synthesized from sequence entry)
0 1
1 28
2 503
3 7394
4 96993
5 1183584
6 13750411
7 154260238
8 1686734885
9 18091012940
10 191193729519
11 1997666285082
12 20686716623977
13 212717150997496
14 2175158274827027
15 22143785088967526
16 224633627211465069