cp's OEIS Frontend

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.

A003044 For n > 4, a(n) is the least integer > a(n-1) with precisely two representations a(n) = a(i) + a(j), 1 <= i < j < n; and a(n) = n for n=1..4.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 8
8 10
9 12
10 15
11 17
12 19
13 29
14 31
15 33
16 43
17 44
18 47
19 51
20 54
21 58
22 68
23 69
24 78
25 79
26 86
27 95
28 99
29 110
30 113
31 117
32 133
33 134
34 135
35 145
36 151
37 156
38 159
39 173
40 180
41 183
42 193
43 197
44 204
45 211
46 229
47 232
48 236
49 239
50 243
51 250
52 256
53 264
54 270
55 281
56 284

List of values

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 29, 31, 33, 43, 44, 47, 51, 54, 58, 68, 69, 78, 79, 86, 95, 99, 110, 113, 117, 133, 134, 135, 145, 151, 156, 159, 173, 180, 183, 193, 197, 204, 211, 229, 232, 236, 239, 243, 250, 256, 264, 270, 281, 284]

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

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