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A291523 as a simple table

na(n)
1-31
2-32
3-31
4-34
5-31
6-32
7-31
8-34
9-31
10-32
11-33
12-36
13-39
14-42
15-45
16-48
17-51
18-54
19-57
20-60
21-63
22-66
23-69
24-72
25-75
26-78
27-81
28-84
29-87
30-90
31-93
32-96
33-99
34-102
35-105
36-108
37-111
38-114
39-117
40-120
41-123
42-126
43-129
44-132
45-135
46-138
47-141
48-144
49-147
50-150
51-153
52-156
53-159
54-162
55-165
56-168
57-171
58-174
59-177
60-180
61-183
62-186
63-189
64-192
65-195
66-198
67-201
68-204
69-207
70-210

[-31,-32,-31,-34,-31,-32,-31,-34,-31,-32,-33,-36,
 -39,-42,-45,-48,-51,-54,-57,-60,-63,-66,-69,-72,
 -75,-78,-81,-84,-87,-90,-93,-96,-99,-102,-105,
 -108,-111,-114,-117,-120,-123,-126,-129,-132,-135,
 -138,-141,-144,-147,-150,-153,-156,-159,-162,-165,
 -168,-171,-174,-177,-180,-183,-186,-189,-192,-195,
 -198,-201,-204,-207,-210]