login

A006216 as a simple table

na(n)
02
15
214
346
4178
5800
64094
723536
8150178
91053440
108057774
1166750976
12595380178
135688903680
1457975175454
15627692271616
167195247514178
1787056789995520
181108708685037134
1914825405274259456
20207676251991176178

[2,5,14,46,178,800,4094,23536,150178,1053440,
 8057774,66750976,595380178,5688903680,57975175454,
 627692271616,7195247514178,87056789995520,
 1108708685037134,14825405274259456,
 207676251991176178]