login

A271013 as a simple table

na(n)
01
14
240
3176
4828
53253
613396
753864
8215761
9868457
103463137
1113843993
1255410869
13221698185
14886916925
153547643840

[1,4,40,176,828,3253,13396,53864,215761,868457,
 3463137,13843993,55410869,221698185,886916925,
 3547643840]