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A355640 as a simple table

na(n)
00
12
22
36
48
520
66
756
88
918
1020
11154
1224
1326
1456
1560
1616
17136
1818
19266
2020
21168
22154
2346
2424
25400
2626
2754
2856
29232
3060
3162
3232
33462
34136
3570
3672
3774
38266
3978
4080
41164
42168
4386
44440
45180
4646
47188
4848
4998
50400
51408
5252
53424
5454
55440
5656
57798
58232
59236
6060

[0,2,2,6,8,20,6,56,8,18,20,154,24,26,56,60,16,136,
 18,266,20,168,154,46,24,400,26,54,56,232,60,62,32,
 462,136,70,72,74,266,78,80,164,168,86,440,180,46,
 188,48,98,400,408,52,424,54,440,56,798,232,236,60]