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.

A299866 The sum of the first n terms of the sequence is the concatenation of the first n digits of the sequence, a(1) = 3.

Table of values

n a(n)
1 3
2 30
3 297
4 2972
5 29727
6 297268
7 2972675
8 29726757
9 297267568
10 2972675675
11 29726756750
12 297267567507
13 2972675675068
14 29726756750675
15 297267567506755
16 2972675675067545
17 29726756750675457
18 297267567506754568
19 2972675675067545675
20 29726756750675456754
21 297267567506754567542

List of values

[3, 30, 297, 2972, 29727, 297268, 2972675, 29726757, 297267568, 2972675675, 29726756750, 297267567507, 2972675675068, 29726756750675, 297267567506755, 2972675675067545, 29726756750675457, 297267567506754568, 2972675675067545675, 29726756750675456754, 297267567506754567542]