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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.

A203628 Indices of 9-gonal (nonagonal) numbers which are also 10-gonal (decagonal).

Table of values

n a(n)
1 1
2 589
3 528601
4 474682789
5 426264615601
6 382785150126589
7 343740638549061001
8 308678710631906651989
9 277193138406813624424801
10 248919129610608002826818989
11 223529101197187579724859027001
12 200728883955944835984920579427589

List of values

[1, 589, 528601, 474682789, 426264615601, 382785150126589, 343740638549061001, 308678710631906651989, 277193138406813624424801, 248919129610608002826818989, 223529101197187579724859027001, 200728883955944835984920579427589]

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

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