login

A014986 as a simple table

na(n)
11
2-4
321
4-104
5521
6-2604
713021
8-65104
9325521
10-1627604
118138021
12-40690104
13203450521
14-1017252604
155086263021
16-25431315104
17127156575521
18-635782877604
193178914388021
20-15894571940104
2179472859700521

[1,-4,21,-104,521,-2604,13021,-65104,325521,
 -1627604,8138021,-40690104,203450521,-1017252604,
 5086263021,-25431315104,127156575521,
 -635782877604,3178914388021,-15894571940104,
 79472859700521]