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A304467 as a simple table

na(n)
14
221
341
4117
5316
6810
72208
86012
915837
1042579
11115618
12309144
13829935
142246106
156045980
1616264045
1743945153
18118607081
19319754491
20863718047
212333646132
226300949455
2317025299379
2446023642233
25124382811126
26336236258224

[4,21,41,117,316,810,2208,6012,15837,42579,115618,
 309144,829935,2246106,6045980,16264045,43945153,
 118607081,319754491,863718047,2333646132,
 6300949455,17025299379,46023642233,124382811126,
 336236258224]