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.

A178701 An irregular array read by rows. The k-th entry of row r is the number of r-digit primes with digit sum k.

Table of values

n a(n)
1 1
2 0
3 1
4 1
5 0
6 1
7 2
8 2
9 2
10 3
11 3
12 3
13 1
14 1
15 2
16 1
17 1
18 2
19 4
20 7
21 7
22 12
23 13
24 16
25 16
26 13
27 18
28 12
29 11
30 6
31 4
32 1
33 0
34 0
35 4
36 8
37 20
38 19
39 31
40 52
41 67
42 77
43 93
44 101
45 116
46 95
47 92
48 91
49 63
50 51
51 29
52 30
53 16
54 5
55 0
56 1
57 0
58 4
59 12
60 28
61 45
62 95
63 143
64 236
65 272
66 411
67 479
68 630
69 664
70 742
71 757
72 741
73 706
74 580
75 528
76 379
77 341
78 205
79 166
80 84
81 62
82 34
83 13
84 4
85 2
86 0
87 2
88 14
89 58
90 76
91 204
92 389
93 660
94 852
95 1448
96 1971
97 2832
98 3101
99 4064
100 4651
101 5393
102 5376
103 5570
104 5785
105 5287
106 4796

List of values

[1, 0, 1, 1, 0, 1, 2, 2, 2, 3, 3, 3, 1, 1, 2, 1, 1, 2, 4, 7, 7, 12, 13, 16, 16, 13, 18, 12, 11, 6, 4, 1, 0, 0, 4, 8, 20, 19, 31, 52, 67, 77, 93, 101, 116, 95, 92, 91, 63, 51, 29, 30, 16, 5, 0, 1, 0, 4, 12, 28, 45, 95, 143, 236, 272, 411, 479, 630, 664, 742, 757, 741, 706, 580, 528, 379, 341, 205, 166, 84, 62, 34, 13, 4, 2, 0, 2, 14, 58, 76, 204, 389, 660, 852, 1448, 1971, 2832, 3101, 4064, 4651, 5393, 5376, 5570, 5785, 5287, 4796]