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A058215 as a simple table

n a(n)
0 2
1 6
2 12
3 30
4 60
5 120
6 240
7 510
8 1020
9 2040
10 4080
11 8160
12 16320
13 32640
14 65280
15 131070
16 262140
17 524280
18 1048560
19 2097120
20 4194240
21 8388480
22 16776960
23 33553920
24 67107840
25 134215680
26 268431360
27 536862720
28 1073725440
29 2147450880
30 4294901760
31 8589934590

[2,6,12,30,60,120,240,510,1020,2040,4080,8160,
 16320,32640,65280,131070,262140,524280,1048560,
 2097120,4194240,8388480,16776960,33553920,
 67107840,134215680,268431360,536862720,1073725440,
 2147450880,4294901760,8589934590]

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)