login

A000621 as a simple table

na(n)
11
21
31
42
53
65
78
814
923
1039
1165
12110
13184
14310
15520
16876
171471
182475
194159
206996
2111759
2219775
2333244
2455902
2593984
26158030
27265696
28446746
29751128
301262940
312123444
323570318
336002983
3410093259
3516970431
3628533590
3747975381
3880664329
39135626284
40228037752

[1,1,1,2,3,5,8,14,23,39,65,110,184,310,520,876,
 1471,2475,4159,6996,11759,19775,33244,55902,93984,
 158030,265696,446746,751128,1262940,2123444,
 3570318,6002983,10093259,16970431,28533590,
 47975381,80664329,135626284,228037752]