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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.

A277225 Initial values of runs of 5 consecutive numbers all of which are squares, primes, or products of one prime and one square.

Table of values

n a(n)
1 1
2 16
3 97
4 241
5 3302449
6 123402049
7 2163898897
8 4168758049
9 10062413521
10 18006326449
11 21376916449
12 55487798449
13 77248867921
14 108396336049
15 141466251697
16 183357512449
17 198504183697
18 200642120449
19 278584843921
20 282955076449
21 341261911249
22 723039200449
23 770057874097
24 847823354449

List of values

[1, 16, 97, 241, 3302449, 123402049, 2163898897, 4168758049, 10062413521, 18006326449, 21376916449, 55487798449, 77248867921, 108396336049, 141466251697, 183357512449, 198504183697, 200642120449, 278584843921, 282955076449, 341261911249, 723039200449, 770057874097, 847823354449]

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

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