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.

A327561 The number of integers m in the range 0 < m < 10^n which are not divisible by any of their own digits (A038772).

Table of values

n a(n)
1 0
2 31
3 291
4 2421
5 20047
6 167493
7 1414416
8 12055582
9 103547007
10 895037251
11 7777564986
12 67886919436
13 594812780492
14 5228677322789
15 46092207649088
16 407310913585540
17 3607044214789103
18 32002805595571724
19 284404590208016926

List of values

[0, 31, 291, 2421, 20047, 167493, 1414416, 12055582, 103547007, 895037251, 7777564986, 67886919436, 594812780492, 5228677322789, 46092207649088, 407310913585540, 3607044214789103, 32002805595571724, 284404590208016926]

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

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