A083958 - OEIS

A083958 as a simple table

n	a(n)
1	0
2	0
3	222
4	0
5	0
6	0
7	666666
8	0
9	888888888
10	0
11	110
12	0
13	221
14	0
15	0
16	0
17	1666
18	0
19	1881
20	0
21	20202
22	1122
23	2222222222222222222222
24	2232
25	0
26	52
27	22626
28	2772
29	82882
30	0
31	333033
32	0
33	23232
34	0
35	0
36	0
37	3663
38	0
39	38883
40	0
41	444440
42	114114
43	24444
44	333344
45	0
46	4554
47	66646

[0,0,222,0,0,0,666666,0,888888888,0,110,0,221,0,0, 0,1666,0,1881,0,20202,1122,2222222222222222222222, 2232,0,52,22626,2772,82882,0,333033,0,23232,0,0,0, 3663,0,38883,0,444440,114114,24444,333344,0,4554, 66646]