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A089187 as a simple table

na(n)
21
33
47
514
624
740
859
987
10121
11164
12210
13274
14345
15430
16523
17632
18749
19890
201039
211222
221412
231620
241838
252088
262357
272651
282953
293278
303612
314020
324439
334902
345387
355898
366418
376974
387557
398182
408835
419512
4210218
4310984
4411759
4512635
4613525
4714448
4815399
4916415
5017473
5118570

[1,3,7,14,24,40,59,87,121,164,210,274,345,430,523,
 632,749,890,1039,1222,1412,1620,1838,2088,2357,
 2651,2953,3278,3612,4020,4439,4902,5387,5898,6418,
 6974,7557,8182,8835,9512,10218,10984,11759,12635,
 13525,14448,15399,16415,17473,18570]