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A273405 as a simple table

na(n)
01
14
221
344
477
5116
6165
7220
8285
9356
10437
11524
12621
13724
14837
15956
161085
171220
181365
191516
201677
211844
222021
232204
242397
252596
262805
273020
283245
293476
303717
313964
324221
334484
344757
355036
365325
375620
385925
396236
406557
416884
427221
437564
447917
458276
468645

[1,4,21,44,77,116,165,220,285,356,437,524,621,724,
 837,956,1085,1220,1365,1516,1677,1844,2021,2204,
 2397,2596,2805,3020,3245,3476,3717,3964,4221,4484,
 4757,5036,5325,5620,5925,6236,6557,6884,7221,7564,
 7917,8276,8645]