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.

A280730 Partial sums of A278742.

Table of values

n a(n)
1 1
2 3
3 6
4 16
5 27
6 39
7 59
8 89
9 189
10 299
11 499
12 799
13 1799
14 2899
15 4899
16 6999
17 9999
18 19999
19 39999
20 69999
21 169999
22 279999
23 399999
24 599999
25 899999
26 1899999
27 2999999
28 4999999
29 7999999
30 17999999
31 28999999
32 48999999
33 69999999
34 99999999
35 199999999
36 399999999
37 699999999

List of values

[1, 3, 6, 16, 27, 39, 59, 89, 189, 299, 499, 799, 1799, 2899, 4899, 6999, 9999, 19999, 39999, 69999, 169999, 279999, 399999, 599999, 899999, 1899999, 2999999, 4999999, 7999999, 17999999, 28999999, 48999999, 69999999, 99999999, 199999999, 399999999, 699999999]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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