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.

A093149 a(1) = 4; a(n) = (n^(n+1)+2*n-3)/(n-1) for n > 1.

Table of values

n a(n)
1 4
2 9
3 42
4 343
5 3908
6 55989
7 960802
8 19173963
9 435848052
10 11111111113
11 313842837674
12 9726655034463
13 328114698808276
14 11966776581370173
15 469172025408063618
16 19676527011956855059
17 878942778254232811940
18 41660902667961039785745
19 2088331858752553232964202

List of values

[4, 9, 42, 343, 3908, 55989, 960802, 19173963, 435848052, 11111111113, 313842837674, 9726655034463, 328114698808276, 11966776581370173, 469172025408063618, 19676527011956855059, 878942778254232811940, 41660902667961039785745, 2088331858752553232964202]

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

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