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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.

A203847 a(n) = tau(n)*Fibonacci(n), where tau(n) = A000005(n), the number of divisors of n.

Table of values

n a(n)
1 1
2 2
3 4
4 9
5 10
6 32
7 26
8 84
9 102
10 220
11 178
12 864
13 466
14 1508
15 2440
16 4935
17 3194
18 15504
19 8362
20 40590
21 43784
22 70844
23 57314
24 370944
25 225075
26 485572
27 785672
28 1906866
29 1028458
30 6656320
31 2692538
32 13069854
33 14098312
34 22811548
35 36909860
36 134373168
37 48315634
38 156352676
39 252983944

List of values

[1, 2, 4, 9, 10, 32, 26, 84, 102, 220, 178, 864, 466, 1508, 2440, 4935, 3194, 15504, 8362, 40590, 43784, 70844, 57314, 370944, 225075, 485572, 785672, 1906866, 1028458, 6656320, 2692538, 13069854, 14098312, 22811548, 36909860, 134373168, 48315634, 156352676, 252983944]

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

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