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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.

A377016 Semiperimeter of the unique primitive Pythagorean triple whose short leg is A002315(n) and such that its long leg and its hypotenuse are consecutive natural numbers.

Table of values

n a(n)
0 1
1 28
2 861
3 28680
4 970921
5 32963140
6 1119662181
7 38034888528
8 1292062686481
9 43892073946540
10 1491038320325421
11 50651410052600280
12 1720656899012149561
13 58451683130389395028
14 1985636569382856677301
15 67453191675004485098400
16 2291422880375627492063521
17 77840924741066359629967420

List of values

[1, 28, 861, 28680, 970921, 32963140, 1119662181, 38034888528, 1292062686481, 43892073946540, 1491038320325421, 50651410052600280, 1720656899012149561, 58451683130389395028, 1985636569382856677301, 67453191675004485098400, 2291422880375627492063521, 77840924741066359629967420]

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

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