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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.

A116310 n times n+5 gives the concatenation of two numbers m and m+3.

Table of values

n a(n)
1 2
2 4
3 88
4 3676
5 6320
6 8786
7 48743
8 51253
9 87617
10 3762554
11 6237442
12 9217100
13 3266298274
14 3520463764
15 6479536232
16 6733701722
17 8063694648
18 8317860138
19 4689524709430934474
20 5310475290569065522
21 7416797436703661747

List of values

[2, 4, 88, 3676, 6320, 8786, 48743, 51253, 87617, 3762554, 6237442, 9217100, 3266298274, 3520463764, 6479536232, 6733701722, 8063694648, 8317860138, 4689524709430934474, 5310475290569065522, 7416797436703661747]

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

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