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.

A326639 For any k, the cumulative sum a(1) + a(2) + a(3) + ... + a(k) shares at least four digits with a(k). Lexicographically first sequence of positive integers without duplicate terms having this property.

Table of values

n a(n)
1 1000
2 10000
3 1001
4 1003
5 1004
6 1035
7 1061
8 1127
9 1184
10 1095
11 1200
12 2300
13 2050
14 2370
15 1280
16 1300
17 1030
18 3040
19 1530
20 3950
21 4390
22 4080
23 5030
24 1040
25 6000
26 1600
27 3600
28 7200
29 2700
30 8300
31 3800
32 1800
33 1002
34 1129
35 1936
36 1649
37 1296
38 1799
39 1090
40 1010
41 1012
42 1020
43 1038
44 1008
45 1005
46 1006
47 1007
48 1011
49 1013
50 1014
51 1105
52 1120
53 1031

List of values

[1000, 10000, 1001, 1003, 1004, 1035, 1061, 1127, 1184, 1095, 1200, 2300, 2050, 2370, 1280, 1300, 1030, 3040, 1530, 3950, 4390, 4080, 5030, 1040, 6000, 1600, 3600, 7200, 2700, 8300, 3800, 1800, 1002, 1129, 1936, 1649, 1296, 1799, 1090, 1010, 1012, 1020, 1038, 1008, 1005, 1006, 1007, 1011, 1013, 1014, 1105, 1120, 1031]