login

A281156 as a simple table

na(n)
01
11
25
319
454
5165
6467
71317
83599
99687
1025519
1166203
12169254
13426750
141062950
152616818
166373911
1715369774
1836716706
1986939235
20204152395
21475631501
221099874363
232525418842
245759549109
2513050991205
2629391523405
2765801951770
28146486952644
29324340095729
30714389015139

[1,1,5,19,54,165,467,1317,3599,9687,25519,66203,
 169254,426750,1062950,2616818,6373911,15369774,
 36716706,86939235,204152395,475631501,1099874363,
 2525418842,5759549109,13050991205,29391523405,
 65801951770,146486952644,324340095729,
 714389015139]