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.

A124884 Largest number that is not a sum of n distinct primes, or -1 if such a number does not exist.

Table of values

n a(n)
1 -1
2 -1
3 17
4 30
5 41
6 60
7 83
8 102
9 137
10 162
11 203
12 244
13 293
14 334
15 389
16 448
17 515
18 574
19 647
20 724
21 803
22 884
23 977
24 1066
25 1163
26 1276
27 1373
28 1492
29 1607
30 1738
31 1865
32 2002
33 2141
34 2290
35 2435
36 2602
37 2759
38 2932
39 3095
40 3280
41 3467
42 3646
43 3857
44 4054
45 4247
46 4456
47 4683
48 4912
49 5141
50 5374

List of values

[-1, -1, 17, 30, 41, 60, 83, 102, 137, 162, 203, 244, 293, 334, 389, 448, 515, 574, 647, 724, 803, 884, 977, 1066, 1163, 1276, 1373, 1492, 1607, 1738, 1865, 2002, 2141, 2290, 2435, 2602, 2759, 2932, 3095, 3280, 3467, 3646, 3857, 4054, 4247, 4456, 4683, 4912, 5141, 5374]