login

A279111 as a simple table

na(n)
10
20
34
413
537
675
7147
8246
9406
10610
11910
121275
131779
142373
153157
164060
175212
186516
198136
209945
2112145
2214575
2317479
2420658
2524402
2628470
2733202
2838311
2944191
3050505
3157705
3265400
3374104
3483368
3593772
36104805
37117117
38130131
39144571
40159790
41176590
42194250
43213654

[0,0,4,13,37,75,147,246,406,610,910,1275,1779,
 2373,3157,4060,5212,6516,8136,9945,12145,14575,
 17479,20658,24402,28470,33202,38311,44191,50505,
 57705,65400,74104,83368,93772,104805,117117,
 130131,144571,159790,176590,194250,213654]