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A267802 as a simple table

n a(n)
0 1
1 3
2 19
3 115
4 499
5 2035
6 8179
7 32755
8 131059
9 524275
10 2097139
11 8388595
12 33554419
13 134217715
14 536870899
15 2147483635
16 8589934579
17 34359738355
18 137438953459
19 549755813875
20 2199023255539
21 8796093022195
22 35184372088819
23 140737488355315
24 562949953421299

[1,3,19,115,499,2035,8179,32755,131059,524275,
 2097139,8388595,33554419,134217715,536870899,
 2147483635,8589934579,34359738355,137438953459,
 549755813875,2199023255539,8796093022195,
 35184372088819,140737488355315,562949953421299]

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Last modified July 30 19:33 EDT 2021. Contains 346359 sequences. (Running on oeis4.)