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A270980 as a simple table

na(n)
01
18
24
340
417
5112
620
7184
861
9328
1045
11468
1296
13676
14129
15820
16136
171149
18128
191361
20236
211757
22220
231941
24400
252328
26276
272773
28436
293217
30592
313548
32620
334093
34680
354601
36832
375232
38832
395576
401117
416336
42897
436920
441248
457652
461313
478040
481445
499028

[1,8,4,40,17,112,20,184,61,328,45,468,96,676,129,
 820,136,1149,128,1361,236,1757,220,1941,400,2328,
 276,2773,436,3217,592,3548,620,4093,680,4601,832,
 5232,832,5576,1117,6336,897,6920,1248,7652,1313,
 8040,1445,9028]