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A301245 as a simple table

na(n)
01
14
29
319
435
555
677
7102
8135
9173
10214
11259
12307
13359
14416
15479
16544
17613
18690
19771
20853
21937
221027
231122
241224
251333
261442
271551
281665
291787
301912
312042
322180
332320
342461
352605
362754
372906
383067
393239
403410
413578
423749
433928
444112
454304
464505

[1,4,9,19,35,55,77,102,135,173,214,259,307,359,
 416,479,544,613,690,771,853,937,1027,1122,1224,
 1333,1442,1551,1665,1787,1912,2042,2180,2320,2461,
 2605,2754,2906,3067,3239,3410,3578,3749,3928,4112,
 4304,4505]