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A256813 as a simple table

n a(n)
1 63
2 124
3 245
4 484
5 956
6 1888
7 3728
8 7362
9 14539
10 28712
11 56701
12 111974
13 221128
14 436688
15 862380
16 1703044
17 3363203
18 6641716
19 13116185
20 25902088
21 51151928
22 101015784
23 199487860
24 393952358
25 777984487
26 1536378320
27 3034068649

[63,124,245,484,956,1888,3728,7362,14539,28712,
 56701,111974,221128,436688,862380,1703044,3363203,
 6641716,13116185,25902088,51151928,101015784,
 199487860,393952358,777984487,1536378320,
 3034068649]

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Last modified May 28 18:24 EDT 2022. Contains 354122 sequences. (Running on oeis4.)