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.

A048447 Take the first n numbers written in base 16, concatenate them, then convert from base 16 to base 10.

Table of values

n a(n)
1 1
2 18
3 291
4 4660
5 74565
6 1193046
7 19088743
8 305419896
9 4886718345
10 78187493530
11 1250999896491
12 20015998343868
13 320255973501901
14 5124095576030430
15 81985529216486895
16 20988295479420645136
17 5373003642731685154833
18 1375488932539311399637266
19 352125166730063718307140115

List of values

[1, 18, 291, 4660, 74565, 1193046, 19088743, 305419896, 4886718345, 78187493530, 1250999896491, 20015998343868, 320255973501901, 5124095576030430, 81985529216486895, 20988295479420645136, 5373003642731685154833, 1375488932539311399637266, 352125166730063718307140115]

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

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