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.

A048548 Smallest oblong (promic) number containing exactly n 9's.

Table of values

n a(n)
1 90
2 992
3 792990
4 4992990
5 199699292
6 919999892
7 29939899992
8 939969999920
9 99179499990990
10 999690999669990
11 129990929999959950
12 299899968999993990
13 10999489909979999990
14 299929969229995999992
15 12999999959999499709890
16 126994909999399899999990
17 9399899999156999909995992

List of values

[90, 992, 792990, 4992990, 199699292, 919999892, 29939899992, 939969999920, 99179499990990, 999690999669990, 129990929999959950, 299899968999993990, 10999489909979999990, 299929969229995999992, 12999999959999499709890, 126994909999399899999990, 9399899999156999909995992]

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

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