cp's OEIS Frontend

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.

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A294369 Indices of Fibonacci numbers (A000045) that are triangular numbers (A000217).

Original entry on oeis.org

0, 1, 2, 4, 8, 10
Offset: 1

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Author

Alex Ratushnyak, Jan 24 2018

Keywords

Comments

The sequence of Fibonacci numbers that are also triangular numbers begins: 0, 1, 1, 3, 21, 55. That is, 0 and 1 followed by A039595.

Examples

			Fibonacci(10)=55 is a triangular number, therefore 10 is in the sequence.

Crossrefs

Cf. A000045, A000217, A039595, A162394, A121343, A121874.
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