# A074877 (b-file synthesized from sequence entry)
0 15
1 106
2 541
3 2432
4 10307
5 42438
6 172233
7 693964
8 2785999
9 11164370
10 44698325
11 178875096
12 715664091
13 2862983902
14 11452590817
15 45811673828
16 183249316583
17 733002509034
18 2932020521709
19 11728103058160
20 46912454175475
21 187649900587766
22 750599770123001
23 3002399416036092