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A236638 as a simple table

na(n)
116588
2334180
36889628
4148743254
53132727426
666206031424
71403054072202
829844445444698
9632053745762858
1013385709195361874
11283804232369419162
126020760288922027448
13127615871031872271432
142704641730285077980718

[16588,334180,6889628,148743254,3132727426,
 66206031424,1403054072202,29844445444698,
 632053745762858,13385709195361874,
 283804232369419162,6020760288922027448,
 127615871031872271432,2704641730285077980718]