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.

A069034 Powers of 9 with strictly increasing sum of digits.

Table of values

n a(n)
1 1
2 9
3 729
4 59049
5 4782969
6 282429536481
7 2541865828329
8 22876792454961
9 16677181699666569
10 8862938119652501095929
11 79766443076872509863361
12 717897987691852588770249
13 381520424476945831628649898809
14 22528399544939174411840147874772641

List of values

[1, 9, 729, 59049, 4782969, 282429536481, 2541865828329, 22876792454961, 16677181699666569, 8862938119652501095929, 79766443076872509863361, 717897987691852588770249, 381520424476945831628649898809, 22528399544939174411840147874772641]

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

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