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A304511 as a simple table

na(n)
1450
21086
32358
44902
59990
620166
740518
881222
9162630
10325446
11651078
121302342
132604870
145209926
1510420038
1620840262
1741680710
1883361606
19166723398
20333446982
21666894150
221333788486
232667577158
245335154502
2510670309190
2621340618566
2742681237318
2885362474822
29170724949830
30341449899846
31682899799878

[450,1086,2358,4902,9990,20166,40518,81222,162630,
 325446,651078,1302342,2604870,5209926,10420038,
 20840262,41680710,83361606,166723398,333446982,
 666894150,1333788486,2667577158,5335154502,
 10670309190,21340618566,42681237318,85362474822,
 170724949830,341449899846,682899799878]