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A281420 as a simple table

n a(n)
0 1
1 3
2 6
3 15
4 26
5 63
6 106
7 255
8 426
9 1023
10 1706
11 4095
12 6826
13 16383
14 27310
15 65531
16 109220
17 262142
18 437163
19 1047676
20 1747642
21 4194031
22 6990224
23 16776824
24 27961740
25 67108434
26 111913983
27 268205286
28 447392735
29 1073676074
30 1789520383
31 4294901466
32 7158229423

[1,3,6,15,26,63,106,255,426,1023,1706,4095,6826,
 16383,27310,65531,109220,262142,437163,1047676,
 1747642,4194031,6990224,16776824,27961740,
 67108434,111913983,268205286,447392735,1073676074,
 1789520383,4294901466,7158229423]

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)