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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.

A048901 Indices of hexagonal numbers which are also heptagonal.

Table of values

n a(n)
1 1
2 247
3 79453
4 25583539
5 8237820025
6 2652552464431
7 854113655726677
8 275021944591525483
9 88556212044815478769
10 28514825256485992638055
11 9181685176376444813974861
12 2956474111967958744107267107

List of values

[1, 247, 79453, 25583539, 8237820025, 2652552464431, 854113655726677, 275021944591525483, 88556212044815478769, 28514825256485992638055, 9181685176376444813974861, 2956474111967958744107267107]

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

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