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.

A081456 Product of entries in n-th row of triangle in A081454.

Table of values

n a(n)
1 1
2 4
3 16
4 36
5 144
6 1296
7 14400
8 57600
9 518400
10 6350400
11 101606400
12 914457600
13 12294374400
14 196709990400
15 3292047360000
16 44259747840000
17 708155965440000
18 17703899136000000
19 269276305858560000
20 4308420893736960000
21 107710522343424000000
22 3377801980689776640000

List of values

[1, 4, 16, 36, 144, 1296, 14400, 57600, 518400, 6350400, 101606400, 914457600, 12294374400, 196709990400, 3292047360000, 44259747840000, 708155965440000, 17703899136000000, 269276305858560000, 4308420893736960000, 107710522343424000000, 3377801980689776640000]

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

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