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A254693 as a simple table

na(n)
1464
21116
32764
46808
516276
637204
787892
8211672
9512684
101241154
112987260
127209620
1317496932
1442616826
15103975836
16253892100
17620762656
181520766742
193732847376
209175497666
2122579411156
2255623783944
23137178824664
24338676930240

[464,1116,2764,6808,16276,37204,87892,211672,
 512684,1241154,2987260,7209620,17496932,42616826,
 103975836,253892100,620762656,1520766742,
 3732847376,9175497666,22579411156,55623783944,
 137178824664,338676930240]