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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.

A374380 Numbers b such that the base-b expansion of Pi has two equal digits immediately after the radix point.

Table of values

n a(n)
1 2
2 8
3 114
4 227
5 340
6 453
7 566
8 679
9 33103
10 66318
11 265382
12 1360121
13 1725034
14 25510583
15 78256780
16 209259756
17 340262732
18 1151791170
19 1963319608
20 6701487260
21 13402974519
22 20104461778
23 26805949037
24 33507436296
25 40208923555
26 46910410814
27 53611898073
28 574364584668

List of values

[2, 8, 114, 227, 340, 453, 566, 679, 33103, 66318, 265382, 1360121, 1725034, 25510583, 78256780, 209259756, 340262732, 1151791170, 1963319608, 6701487260, 13402974519, 20104461778, 26805949037, 33507436296, 40208923555, 46910410814, 53611898073, 574364584668]

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

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