login

A172440 as a simple table

na(n)
01
11
2-3
311
4-49
5134
6-1915
7-30437
8-1176925
9-47572678
10-2240962254
11-119077789557
12-7053073003902
13-460586576005843
14-32870527083358387
15-2544978866143616029
16-212452025172991768237
17-19021387591827001945347

[1,1,-3,11,-49,134,-1915,-30437,-1176925,
 -47572678,-2240962254,-119077789557,
 -7053073003902,-460586576005843,
 -32870527083358387,-2544978866143616029,
 -212452025172991768237,-19021387591827001945347]