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.

A093851 a(n) = A002283(n-1) + floor(A052268(n)/(1+n)).

Table of values

n a(n)
1 4
2 39
3 324
4 2799
5 24999
6 228570
7 2124999
8 19999999
9 189999999
10 1818181817
11 17499999999
12 169230769229
13 1642857142856
14 15999999999999
15 156249999999999
16 1529411764705881
17 14999999999999999
18 147368421052631577
19 1449999999999999999
20 14285714285714285713

List of values

[4, 39, 324, 2799, 24999, 228570, 2124999, 19999999, 189999999, 1818181817, 17499999999, 169230769229, 1642857142856, 15999999999999, 156249999999999, 1529411764705881, 14999999999999999, 147368421052631577, 1449999999999999999, 14285714285714285713]

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

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