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.

A177733 Integers that can be expressed as the sum of two or more positive consecutive numbers (the largest being even) AND also as the sum of two or more positive consecutive numbers (the largest being odd).

Table of values

n a(n)
1 9
2 15
3 18
4 21
5 27
6 30
7 33
8 35
9 36
10 39
11 42
12 45
13 49
14 51
15 54
16 55
17 57
18 60
19 63
20 66
21 69
22 70
23 72
24 75
25 77
26 78
27 81
28 84
29 87
30 90
31 91
32 93
33 95
34 98
35 99
36 102
37 105
38 108
39 110
40 111
41 114
42 115
43 117
44 119
45 120
46 121
47 123
48 126
49 129
50 132
51 133
52 135
53 138
54 140
55 141
56 143
57 144
58 147
59 150
60 153
61 154

List of values

[9, 15, 18, 21, 27, 30, 33, 35, 36, 39, 42, 45, 49, 51, 54, 55, 57, 60, 63, 66, 69, 70, 72, 75, 77, 78, 81, 84, 87, 90, 91, 93, 95, 98, 99, 102, 105, 108, 110, 111, 114, 115, 117, 119, 120, 121, 123, 126, 129, 132, 133, 135, 138, 140, 141, 143, 144, 147, 150, 153, 154]