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A217748 as a simple table

na(n)
31
44
510
618
728
840
954
1070
1188
12108
13130
14154
15180
16208
17238
18270
19304
20340
21378
22418
23460
24504
25550
26598
27648
28700
29754
30810
31868
32928
33990
341054
351120
361188
371258
381330
391404
401480
411558
421638
431720
441804
451890
461978
472068
482160
492254
502350
512448
522548

[1,4,10,18,28,40,54,70,88,108,130,154,180,208,238,
 270,304,340,378,418,460,504,550,598,648,700,754,
 810,868,928,990,1054,1120,1188,1258,1330,1404,
 1480,1558,1638,1720,1804,1890,1978,2068,2160,2254,
 2350,2448,2548]