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.

A225069 Least nonagonal (9-gonal) number that is the product of n nonagonal numbers greater than 1.

Table of values

n a(n)
1 9
2 265926
3 9909504
4 28123200
5 34171875
6 9833523682950
7 189619679700
8 1489258878162739200
9 32051313254079000000000
10 231538926078057635957250
11 5980078350588060426240000

List of values

[9, 265926, 9909504, 28123200, 34171875, 9833523682950, 189619679700, 1489258878162739200, 32051313254079000000000, 231538926078057635957250, 5980078350588060426240000]

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

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