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A227266 as a simple table

na(n)
14
216
349
4132
5341
6836
71934
84232
98804
1017501
1133392
1261393
13109141
14188181
15315546
16515823
17823812
181287900
191974288
202972226
214400429
226414866
239218134
2413070650
2518303916
2625336135
2734690480
2847016343
2963113917
3083962491

[4,16,49,132,341,836,1934,4232,8804,17501,33392,
 61393,109141,188181,315546,515823,823812,1287900,
 1974288,2972226,4400429,6414866,9218134,13070650,
 18303916,25336135,34690480,47016343,63113917,
 83962491]