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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.

A316075 Sequence shifts left three places under Weigh transform with a(n) = signum(n) for n<3.

Table of values

n a(n)
0 0
1 1
2 1
3 1
4 1
5 1
6 2
7 2
8 3
9 5
10 7
11 10
12 17
13 26
14 40
15 65
16 104
17 166
18 272
19 442
20 720
21 1186
22 1954
23 3222
24 5346
25 8881
26 14778
27 24668
28 41254
29 69088
30 115959
31 194925
32 328123
33 553200
34 933944
35 1578614
36 2671656
37 4526654
38 7677736
39 13035809
40 22154806
41 37687152
42 64165838

List of values

[0, 1, 1, 1, 1, 1, 2, 2, 3, 5, 7, 10, 17, 26, 40, 65, 104, 166, 272, 442, 720, 1186, 1954, 3222, 5346, 8881, 14778, 24668, 41254, 69088, 115959, 194925, 328123, 553200, 933944, 1578614, 2671656, 4526654, 7677736, 13035809, 22154806, 37687152, 64165838]

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

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