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.

A074043 Denominator of Sum_{k=1..n} 1/A077800(k), numerator=A074042.

Table of values

n a(n)
1 3
2 15
3 15
4 105
5 1155
6 15015
7 255255
8 4849845
9 140645505
10 4360010655
11 178760436855
12 7686698784765
13 453515228301135
14 27664428926369235
15 1964174453772215685
16 143384735125371745005
17 14481858247662546245505

List of values

[3, 15, 15, 105, 1155, 15015, 255255, 4849845, 140645505, 4360010655, 178760436855, 7686698784765, 453515228301135, 27664428926369235, 1964174453772215685, 143384735125371745005, 14481858247662546245505]

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

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