# A178391 (b-file synthesized from sequence entry)
-1 1
0 2
1 9
2 730
3 21953
4 274626
5 2000377
6 10218314
7 40707585
8 135005698
9 389017001
10 1003003002
11 2363266369
12 5168743490
13 10618986393
14 20683643626
15 38477541377
16 68769820674
17 118660303945
18 198461344538
19 322828856001
20 512192024002