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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A125812 q-Bell numbers for q=2; eigensequence of A022166, which is the triangle of Gaussian binomial coefficients [n,k] for q=2.

Table of values

n a(n)
0 1
1 1
2 2
3 6
4 28
5 204
6 2344
7 43160
8 1291952
9 63647664
10 5218320672
11 719221578080
12 168115994031040
13 67159892835119296
14 46166133463916209792
15 54941957091151982047616
16 113826217192695041078973184
17 412563248965919999955196308224
18 2627807814905396804499456018866688

List of values

[1, 1, 2, 6, 28, 204, 2344, 43160, 1291952, 63647664, 5218320672, 719221578080, 168115994031040, 67159892835119296, 46166133463916209792, 54941957091151982047616, 113826217192695041078973184, 412563248965919999955196308224, 2627807814905396804499456018866688]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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