# A017561 (b-file synthesized from sequence entry)
0 243
1 759375
2 14348907
3 90224199
4 345025251
5 992436543
6 2373046875
7 4984209207
8 9509900499
9 16850581551
10 28153056843
11 44840334375
12 68641485507
13 101621504799
14 146211169851
15 205236901143
16 281950621875