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A280351 as a simple table

na(n)
01
11
21
31
41
51
61
71
82
99
1037
11121
12331
13793
141717
153433
166436
1711441
1819449
1931825
2050389
2177521
22116281
23170545
24245158
25346105
26480701
27657802
28888058
291184419
301564435
312063206
322799487
334272049
348544097
3523535821
3677331981
37262534537
38865287625
392720095405

[1,1,1,1,1,1,1,1,2,9,37,121,331,793,1717,3433,
 6436,11441,19449,31825,50389,77521,116281,170545,
 245158,346105,480701,657802,888058,1184419,
 1564435,2063206,2799487,4272049,8544097,23535821,
 77331981,262534537,865287625,2720095405]