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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.

A219507 Pierce expansion of (5 - sqrt(21))/2.

Table of values

n a(n)
0 4
1 6
2 109
3 111
4 1330669
5 1330671
6 2356194280407770989
7 2356194280407770991
8 13080769480548649962914459850235688797656360638877986029
9 13080769480548649962914459850235688797656360638877986031

List of values

[4, 6, 109, 111, 1330669, 1330671, 2356194280407770989, 2356194280407770991, 13080769480548649962914459850235688797656360638877986029, 13080769480548649962914459850235688797656360638877986031]

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

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