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A345256 as a simple table

na(n)
10
20
30
42
52
62
74
86
98
1010
1112
1214
1318
1420
1522
1626
1730
1832
1936
2042
2142
2248
2354
2456
2562
2670
2772
2878
2986
3090
3196
32106
33110
34114
35126
36132
37136
38148
39156
40160
41170
42180
43184
44196
45208
46212
47222
48236
49240
50252
51266
52272
53282
54298
55306
56314
57332
58342
59348
60366
61380

[0,0,0,2,2,2,4,6,8,10,12,14,18,20,22,26,30,32,36,
 42,42,48,54,56,62,70,72,78,86,90,96,106,110,114,
 126,132,136,148,156,160,170,180,184,196,208,212,
 222,236,240,252,266,272,282,298,306,314,332,342,
 348,366,380]