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.

A218392 Primitive triangle numbers as defined in A218243.

Table of values

n a(n)
1 60
2 150
3 200
4 780
5 1530
6 1690
7 1950
8 2040
9 2100
10 2730
11 2860
12 3570
13 4056
14 4200
15 4350
16 4624
17 5100
18 5460
19 8120
20 8250
21 8670
22 8750
23 10812
24 11050
25 11900
26 12180
27 13260
28 13650
29 14060
30 14430
31 14760
32 15540
33 17220
34 17850
35 18564
36 19240
37 23400
38 24420
39 26100
40 26520
41 27880
42 29172
43 30000

List of values

[60, 150, 200, 780, 1530, 1690, 1950, 2040, 2100, 2730, 2860, 3570, 4056, 4200, 4350, 4624, 5100, 5460, 8120, 8250, 8670, 8750, 10812, 11050, 11900, 12180, 13260, 13650, 14060, 14430, 14760, 15540, 17220, 17850, 18564, 19240, 23400, 24420, 26100, 26520, 27880, 29172, 30000]