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.

A342034 a(n) is the number of numbers k with n digits where k has digits in nondecreasing order and satisfies k < (product of digits of k) * (sum of digits of k).

Table of values

n a(n)
1 8
2 41
3 140
4 367
5 789
6 1432
7 2276
8 3280
9 4326
10 5350
11 6254
12 7009
13 7588
14 7970
15 8175
16 8210
17 8120
18 7923
19 7633
20 7272
21 6877
22 6445
23 6013
24 5555
25 5122
26 4693
27 4298
28 3901
29 3534
30 3189
31 2872
32 2562
33 2285
34 2029
35 1789
36 1576
37 1376
38 1194
39 1037
40 893
41 759
42 654
43 548
44 454
45 384
46 315
47 254
48 210
49 168
50 127
51 97
52 79
53 56
54 39
55 31
56 21
57 12
58 8
59 4

List of values

[8, 41, 140, 367, 789, 1432, 2276, 3280, 4326, 5350, 6254, 7009, 7588, 7970, 8175, 8210, 8120, 7923, 7633, 7272, 6877, 6445, 6013, 5555, 5122, 4693, 4298, 3901, 3534, 3189, 2872, 2562, 2285, 2029, 1789, 1576, 1376, 1194, 1037, 893, 759, 654, 548, 454, 384, 315, 254, 210, 168, 127, 97, 79, 56, 39, 31, 21, 12, 8, 4]