# A069215 (b-file synthesized from sequence entry)
1 1
2 21
3 63
4 270
5 291
6 2991
7 6102
8 46676013
9 69460293
10 2346534651
11 6313047393
12 23400000651
13 80050617822
14 234065340651
15 234659934651
16 2340000000651
17 2530227348360
18 2934000006591