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.

A320228 Distribute the primes into groups in ascending order, with the n-th group having prime(n) elements. Then a(n) is the sum of the numbers in the n-th group times the number of elements in the group.

Table of values

n a(n)
1 10
2 69
3 505
4 2177
5 10241
6 24635
7 65875
8 120631
9 244789
10 531715
11 802063
12 1464941
13 2279887
14 3065943
15 4444273
16 6747695
17 9882205
18 12447843
19 17304961
20 22371177
21 26991677
22 35679165
23 44240245
24 56968633
25 75590451
26 91181689
27 104420885
28 124020811
29 141249939
30 164746655

List of values

[10, 69, 505, 2177, 10241, 24635, 65875, 120631, 244789, 531715, 802063, 1464941, 2279887, 3065943, 4444273, 6747695, 9882205, 12447843, 17304961, 22371177, 26991677, 35679165, 44240245, 56968633, 75590451, 91181689, 104420885, 124020811, 141249939, 164746655]