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.

A194143 Sum{floor(j*(3+sqrt(3))/2) : 1<=j<=n}; n-th partial sum of Beatty sequence for (3+sqrt(3))/2.

Table of values

n a(n)
1 2
2 6
3 13
4 22
5 33
6 47
7 63
8 81
9 102
10 125
11 151
12 179
13 209
14 242
15 277
16 314
17 354
18 396
19 440
20 487
21 536
22 588
23 642
24 698
25 757
26 818
27 881
28 947
29 1015
30 1085
31 1158
32 1233
33 1311
34 1391
35 1473
36 1558
37 1645
38 1734
39 1826
40 1920
41 2017
42 2116
43 2217
44 2321
45 2427
46 2535
47 2646
48 2759

List of values

[2, 6, 13, 22, 33, 47, 63, 81, 102, 125, 151, 179, 209, 242, 277, 314, 354, 396, 440, 487, 536, 588, 642, 698, 757, 818, 881, 947, 1015, 1085, 1158, 1233, 1311, 1391, 1473, 1558, 1645, 1734, 1826, 1920, 2017, 2116, 2217, 2321, 2427, 2535, 2646, 2759]