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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.

A100343 Denominators of the convergents in the continued fraction expansion for twice the constant given by A100338, where the partial quotients equal A006519 (greatest power of 2 dividing n) interleaved with 2's.

Table of values

n a(n)
1 1
2 1
3 3
4 7
5 17
6 24
7 65
8 284
9 633
10 917
11 2467
12 5851
13 14169
14 20020
15 54209
16 453692
17 961593
18 1415285
19 3792163
20 8999611
21 21791385
22 30790996
23 83373377
24 364284504
25 811942385
26 1176226889
27 3164396163
28 7505019215
29 18174434593
30 25679453808
31 69533342209

List of values

[1, 1, 3, 7, 17, 24, 65, 284, 633, 917, 2467, 5851, 14169, 20020, 54209, 453692, 961593, 1415285, 3792163, 8999611, 21791385, 30790996, 83373377, 364284504, 811942385, 1176226889, 3164396163, 7505019215, 18174434593, 25679453808, 69533342209]

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

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