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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.

A369677 a(n) = Product_{k=0..n} (2^k + 5^(n-k)).

Table of values

n a(n)
0 2
1 18
2 910
3 275562
4 509528318
5 5782203860202
6 403066704971309470
7 172986911139059942455818
8 457494980583771669025834718462
9 7445459859979605380607238308201858858
10 746155118699551878624986638597659812003763550
11 461066589238234272286243169377378506495126815749310922

List of values

[2, 18, 910, 275562, 509528318, 5782203860202, 403066704971309470, 172986911139059942455818, 457494980583771669025834718462, 7445459859979605380607238308201858858, 746155118699551878624986638597659812003763550, 461066589238234272286243169377378506495126815749310922]

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

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