login

A001940 as a simple table

na(n)
01
16
227
398
4309
5882
62330
75784
813644
930826
1067107
11141444
12289746
13578646
141129527
152159774
164052721
177474806
1813569463
1924274716
2042838245
2174644794
22128533884
23218881098
24368859591
25615513678
261017596115
271667593666
282710062756
294369417452

[1,6,27,98,309,882,2330,5784,13644,30826,67107,
 141444,289746,578646,1129527,2159774,4052721,
 7474806,13569463,24274716,42838245,74644794,
 128533884,218881098,368859591,615513678,
 1017596115,1667593666,2710062756,4369417452]