login

A131493 as a simple table

na(n)
13
2226
31837
42163
55358
644857
7170788
8482721
98918391
1036589396
11122394502
121107852077
1310071260304
1422991513047
1581477190549
16422242473309
174242315932866
18153777057499935
19282960008506695
201683262946768556
211099372130016731506
221117679864051418714

[3,226,1837,2163,5358,44857,170788,482721,8918391,
 36589396,122394502,1107852077,10071260304,
 22991513047,81477190549,422242473309,
 4242315932866,153777057499935,282960008506695,
 1683262946768556,1099372130016731506,
 1117679864051418714]