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A221276 as a simple table

na(n)
10
24
34
425
552
6196
7520
81681
94840
1014884
1144044
12133225
13397852
141196836
153585040
1610764961
1732278480
1896864964
19290545684
20871725625
212615029252
227845353476
2323535617560
2470607649841
25211821620920
26635467254244
271906397776924

[0,4,4,25,52,196,520,1681,4840,14884,44044,133225,
 397852,1196836,3585040,10764961,32278480,96864964,
 290545684,871725625,2615029252,7845353476,
 23535617560,70607649841,211821620920,635467254244,
 1906397776924]