login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A170938 as a simple table

n a(n)
0 4
1 8
2 22
3 74
4 274
5 1058
6 4162
7 16514
8 65794
9 262658
10 1049602
11 4196354
12 16781314
13 67117058
14 268451842
15 1073774594
16 4295032834
17 17180000258
18 68719738882
19 274878431234
20 1099512676354
21 4398048608258
22 17592190238722
23 70368752566274
24 281474993487874
25 1125899940397058

[4,8,22,74,274,1058,4162,16514,65794,262658,
 1049602,4196354,16781314,67117058,268451842,
 1073774594,4295032834,17180000258,68719738882,
 274878431234,1099512676354,4398048608258,
 17592190238722,70368752566274,281474993487874,
 1125899940397058]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 21 02:02 EST 2020. Contains 332086 sequences. (Running on oeis4.)