login

A227309 as a simple table

na(n)
01
11
21
32
43
56
610
719
834
963
10115
11213
12391
13723
141333
152463
164547
178403
1815522
1928686
2053006
2197963
22181042
23334606
24618415
251142994
262112545
273904592
287216810
2913338856
3024654268
3145568784
3284225393
33155675230
34287737327
35531830605
36982993368
371816887637
383358192905

[1,1,1,2,3,6,10,19,34,63,115,213,391,723,1333,
 2463,4547,8403,15522,28686,53006,97963,181042,
 334606,618415,1142994,2112545,3904592,7216810,
 13338856,24654268,45568784,84225393,155675230,
 287737327,531830605,982993368,1816887637,
 3358192905]