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A302864 as a simple table

na(n)
01
12
24
38
4272
525952
62112
74224
88448
944544
102532352
116547456
12405504
13236101632
148634368
15487030784
16677707776
1761486268416
1825135153152
194285005824
202912594952192
2163115033051136
222114151514112
2365892155129856
2429142024192
25827163020361728
2642643629092634624

[1,2,4,8,272,25952,2112,4224,8448,44544,2532352,
 6547456,405504,236101632,8634368,487030784,
 677707776,61486268416,25135153152,4285005824,
 2912594952192,63115033051136,2114151514112,
 65892155129856,29142024192,827163020361728,
 42643629092634624]