login

A297296 as a simple table

na(n)
11
24
39
421
549
6114
7266
8620
91446
103372
117864
1218340
1342772
1499752
15232640
16542560
171265352
182951040
196882384
2016051024
2137434032
2287303264
23203607776
24474851968
251107444896
262582771648
276023513600
2814047976768
2932762547648
3076408478336

[1,4,9,21,49,114,266,620,1446,3372,7864,18340,
 42772,99752,232640,542560,1265352,2951040,6882384,
 16051024,37434032,87303264,203607776,474851968,
 1107444896,2582771648,6023513600,14047976768,
 32762547648,76408478336]