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A356889 as a simple table

na(n)
23
321
4125
5693
63669
718773
893525
9456021
102184533
1110310997
1248059733
13221599061
141012225365
154585772373
1620624790869
1792162839893
18409453548885
191809612887381
207960006055253
2134863681197397
22152099108509013
23661172992169301
242864594294232405
2512373170851239253

[3,21,125,693,3669,18773,93525,456021,2184533,
 10310997,48059733,221599061,1012225365,4585772373,
 20624790869,92162839893,409453548885,
 1809612887381,7960006055253,34863681197397,
 152099108509013,661172992169301,2864594294232405,
 12373170851239253]