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.

A036213 Duplicating binary multipliers; i.e., n+1 1-bits placed 2n bits from each other.

Table of values

n a(n)
0 1
1 5
2 273
3 266305
4 4311810305
5 1127000493261825
6 4723519685917965029377
7 316931994050834867150735294465
8 340287559297026369749534115703797383169
9 5846028850153881119687907085637645039610972340225
10 1606939576755992644461949257743820820735113393327883823349761

List of values

[1, 5, 273, 266305, 4311810305, 1127000493261825, 4723519685917965029377, 316931994050834867150735294465, 340287559297026369749534115703797383169, 5846028850153881119687907085637645039610972340225, 1606939576755992644461949257743820820735113393327883823349761]

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

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