login

A106219 as a simple table

na(n)
01
11
2-1
32
4-4
59
6-21
753
8-137
9362
10-971
112642
12-7272
1320211
14-56631
15159795
16-453650
171294797
18-3713100
1910693036
20-30910440
2189657680
22-260860962
23761114168
24-2226409022
256528039545
26-19182376302
2756479676608
28-166605140314
29492304708589
30-1457061274821
314318906269671

[1,1,-1,2,-4,9,-21,53,-137,362,-971,2642,-7272,
 20211,-56631,159795,-453650,1294797,-3713100,
 10693036,-30910440,89657680,-260860962,761114168,
 -2226409022,6528039545,-19182376302,56479676608,
 -166605140314,492304708589,-1457061274821,
 4318906269671]