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A215461 as a simple table

na(n)
00
10
22
32
42
50
64
74
82
94
106
114
124
136
148
156
1612
176
184
1916
2010
218
2214
2312
248
2512
2616
2710
2818
2916
308
3124
3214
3310
3428
3516
3614
3722
3820
3912
4026
4124
4212
4326
4428
4510
4630
4728
4818
4936
5024
5118
5232
5330
5422
5532
5628
5718
5834
5936
6010
6144
6238
6318
6448
6532
6626
6740
6842
6932
7038
7136
7222
7344

[0,0,2,2,2,0,4,4,2,4,6,4,4,6,8,6,12,6,4,16,10,8,
 14,12,8,12,16,10,18,16,8,24,14,10,28,16,14,22,20,
 12,26,24,12,26,28,10,30,28,18,36,24,18,32,30,22,
 32,28,18,34,36,10,44,38,18,48,32,26,40,42,32,38,
 36,22,44]