login

A097120 as a simple table

na(n)
01
11
21
31
44
513
631
761
8115
9232
10505
111117
122413
135089
1410660
1522477
1647779
17101833
18216619
19459568
20974017
212065465
224383769
239307633
2419759108
2541934589
2688985383
27188834389
28400758931
29850562776
301805202073
313831179989

[1,1,1,1,4,13,31,61,115,232,505,1117,2413,5089,
 10660,22477,47779,101833,216619,459568,974017,
 2065465,4383769,9307633,19759108,41934589,
 88985383,188834389,400758931,850562776,1805202073,
 3831179989]