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A277241 as a simple table

na(n)
01
12
29
330
495
5248
6614
71367
82879
95674
1010681
1119169
1233203
1355478
1490067
15142224
16219388
17330943
18489716
19711518
201017241
211432328
221989400
232727644
243696314
254953733
266571851
278635136
2811245971
2914523411
3018610003
3123669939
3229897469
3337514880
3446782198

[1,2,9,30,95,248,614,1367,2879,5674,10681,19169,
 33203,55478,90067,142224,219388,330943,489716,
 711518,1017241,1432328,1989400,2727644,3696314,
 4953733,6571851,8635136,11245971,14523411,
 18610003,23669939,29897469,37514880,46782198]