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A336490 as a simple table

na(n)
10
20
31
42
52
610
722
818
932
1062
11100
12118
13136
14154
15274
16346
17426
18554
19698
20726
21884
221058
231248
241454
251784
262146
272714
282978
293250
303722
314226
324490
335104
345758
356674
367350
378058
388798
3910062
4011238
4112478
4214046
4315702
4416526
4518016
4619570
4721188
4822870

[0,0,1,2,2,10,22,18,32,62,100,118,136,154,274,346,
 426,554,698,726,884,1058,1248,1454,1784,2146,2714,
 2978,3250,3722,4226,4490,5104,5758,6674,7350,8058,
 8798,10062,11238,12478,14046,15702,16526,18016,
 19570,21188,22870]