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.

A258883 Primitive weird numbers (PWN) of the form 2^k*p*q*r with k > 0 and where p < q < r are odd primes.

Table of values

n a(n)
1 4030
2 5830
3 45356
4 91388
5 243892
6 254012
7 338572
8 343876
9 388076
10 1713592
11 8812312
12 9928792
13 11339816
14 11547352
15 15126992
16 17999992
17 29581424
18 38546576
19 74899952
20 85389368
21 89283592
22 95327216
23 141659096
24 146764264
25 162079768
26 173482552
27 569494624
28 632874016

List of values

[4030, 5830, 45356, 91388, 243892, 254012, 338572, 343876, 388076, 1713592, 8812312, 9928792, 11339816, 11547352, 15126992, 17999992, 29581424, 38546576, 74899952, 85389368, 89283592, 95327216, 141659096, 146764264, 162079768, 173482552, 569494624, 632874016]