# A374522 (b-file synthesized from sequence entry)
0 0
1 3
2 54
3 657
4 7276
5 77515
6 807570
7 8288273
8 84146392
9 847289511
10 8476605270
11 84362730441
12 836022413604
13 8255176274787
14 81266247493186
15 797911337890785
16 7816430993273264
17 76417576884235999
18 745777615780501902
19 7266758081613043581
20 70706322844243486380
21 687103929058903836459