login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A055947 as a simple table

na(n)
00
10
20
32
40
5-2
64
72
80
98
100
11-8
128
130
14-8
158
160
17-8
1816
198
200
2116
228
230
2416
258
260
2726
280
29-26
3020
31-6
32-32
3314
34-12
35-38
3632
376
38-20
3926
400
41-26
4220
43-6
44-32
4538
4612
47-14
4832
496
50-20
5126
520
53-26
5452
5526
560
5746
5820
59-6
6040
6114
62-12
6358
6432
656
6652
6726
680
6946
7020
71-6
7264
7338
7412
7558
7632
776
7852
7926
800
8180
820
83-80
8456
85-24
86-104
8732
88-48

[0,0,0,2,0,-2,4,2,0,8,0,-8,8,0,-8,8,0,-8,16,8,0,
 16,8,0,16,8,0,26,0,-26,20,-6,-32,14,-12,-38,32,6,
 -20,26,0,-26,20,-6,-32,38,12,-14,32,6,-20,26,0,
 -26,52,26,0,46,20,-6,40,14,-12,58,32,6,52,26,0,46,
 20,-6,64,38,12,58,32,6,52,26,0,80,0,-80,56,-24,
 -104,32,-48]