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.

A285298 Number of 10's found in the first differences of a reduced residue system modulo a primorial p#.

Table of values

n a(n)
1 0
2 0
3 0
4 2
5 30
6 438
7 7734
8 148530
9 3401790
10 97648950
11 2985436650
12 108861586050
13 4396116829650
14 186022750845750
15 8604610718954250
16 449203003036037250
17 26126835342151293750
18 1570919774837171508750
19 103827535054074567986250
20 7274630596396103444253750

List of values

[0, 0, 0, 2, 30, 438, 7734, 148530, 3401790, 97648950, 2985436650, 108861586050, 4396116829650, 186022750845750, 8604610718954250, 449203003036037250, 26126835342151293750, 1570919774837171508750, 103827535054074567986250, 7274630596396103444253750]

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

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