login

A001902 as a simple table

na(n)
01
11
23
39
445
575
6175
71225
811025
919845
1043659
11160083
12693693
131288287
142760615
1541409225
16703956825
171329696225
182807136475
1910667118605
2044801898141
2185530896451
22178837328943
231371086188563
2411425718238025

[1,1,3,9,45,75,175,1225,11025,19845,43659,160083,
 693693,1288287,2760615,41409225,703956825,
 1329696225,2807136475,10667118605,44801898141,
 85530896451,178837328943,1371086188563,
 11425718238025]