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A271091 as a simple table

na(n)
01
15
25
340
45
5112
65
7216
85
9352
105
11520
125
13720
145
15952
165
171216
185
191512
205
211840
225
232200
245
252592
265
273016
285
293472
305
313960
325
334480
345
355032
365
375616
385
396232
405
416880
425
437560
445
458272
465
479016
485
499792
505
5110600
525
5311440
545
5512312
565
5713216
585

[1,5,5,40,5,112,5,216,5,352,5,520,5,720,5,952,5,
 1216,5,1512,5,1840,5,2200,5,2592,5,3016,5,3472,5,
 3960,5,4480,5,5032,5,5616,5,6232,5,6880,5,7560,5,
 8272,5,9016,5,9792,5,10600,5,11440,5,12312,5,
 13216,5]