# A006822 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 0
4 0
5 0
6 0
7 1
8 1
9 4
10 21
11 266
12 7849
13 367860
14 21609300
15 1470293675
16 113314233808
17 9799685588936
18 945095823831036
19 101114579937187980
20 11945375659139626688
21 1551593789610509806552
22 220716215902792573134799
23 34259321384370620122314325
24 5782740798229825207562109439