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.

A154588 Numbers that can be expressed as the sum of the first j integer numbers or the first k nonprime numbers, with j and k >=1.

Table of values

n a(n)
1 1
2 28
3 435
4 10296
5 415416
6 1062153
7 3703281
8 426626655
9 782002378
10 102886232631
11 1636197988776
12 2749764593278
13 61972139524851
14 813577626225078
15 1604393353172781
16 3603538956517305
17 44000970048906445
18 83556903098276790
19 208955344344897381

List of values

[1, 28, 435, 10296, 415416, 1062153, 3703281, 426626655, 782002378, 102886232631, 1636197988776, 2749764593278, 61972139524851, 813577626225078, 1604393353172781, 3603538956517305, 44000970048906445, 83556903098276790, 208955344344897381]

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

Content is available under The OEIS End-User License Agreement.