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A257201 as a simple table

na(n)
11
27
329
492
5246
6582
71254
82508
94719
108437
1114443
1223816
1338012
1458956
1589148
16131784
17190893
18271491
19379753
20523204
21710930
22953810
231264770
241659060
252154555
262772081
273535767
284473424
295616952
307002776
318672312
3210672464
3313056153
3415882879
3519219317
3623139948
3727727726
3833074782
3939283166
4046465628

[1,7,29,92,246,582,1254,2508,4719,8437,14443,
 23816,38012,58956,89148,131784,190893,271491,
 379753,523204,710930,953810,1264770,1659060,
 2154555,2772081,3535767,4473424,5616952,7002776,
 8672312,10672464,13056153,15882879,19219317,
 23139948,27727726,33074782,39283166,46465628]