# A069073 (b-file synthesized from sequence entry)
0 0
1 9
2 450
3 3675
4 15876
5 49005
6 122694
7 266175
8 520200
9 938961
10 1592010
11 2566179
12 3967500
13 5923125
14 8583246
15 12123015
16 16744464
17 22678425
18 30186450
19 39562731
20 51136020
21 65271549
22 82372950
23 102884175
24 127291416
25 156125025
26 189961434
27 229425075
28 275190300
29 327983301