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A288979 as a simple table

n a(n)
0 1
1 2
2 6
3 13
4 30
5 56
6 127
7 243
8 508
9 999
10 2041
11 4038
12 8182
13 16265
14 32745
15 65302
16 131034
17 261669
18 524217
19 1047630
20 2097010
21 4192405
22 8388329
23 16773406
24 33553890
25 67101277
26 134216625
27 268420174
28 536868850
29 1073711381
30 2147479273
31 4294906222
32 8589926290

[1,2,6,13,30,56,127,243,508,999,2041,4038,8182,
 16265,32745,65302,131034,261669,524217,1047630,
 2097010,4192405,8388329,16773406,33553890,
 67101277,134216625,268420174,536868850,1073711381,
 2147479273,4294906222,8589926290]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)