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A061340 as a simple table

na(n)
10
22
33
44
55
6384
77
88
99
1010240
1111
1249152
1313
14229376
15491520
1616
1717
184718592
1919
2020971520
2144040192
2292274688
2323
24402653184
2525
261744830464
2727
287516192768
2929
306176733962839470
3131
3232
33283467841536
34584115552256
351202590842880

[0,2,3,4,5,384,7,8,9,10240,11,49152,13,229376,
 491520,16,17,4718592,19,20971520,44040192,
 92274688,23,402653184,25,1744830464,27,7516192768,
 29,6176733962839470,31,32,283467841536,
 584115552256,1202590842880]