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.

A242866 Union of 2*A019434 and the semiprimes in A000215.

Table of values

n a(n)
1 6
2 10
3 34
4 514
5 131074
6 4294967297
7 18446744073709551617
8 340282366920938463463374607431768211457
9 115792089237316195423570985008687907853269984665640564039457584007913129639937

List of values

[6, 10, 34, 514, 131074, 4294967297, 18446744073709551617, 340282366920938463463374607431768211457, 115792089237316195423570985008687907853269984665640564039457584007913129639937]

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

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