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.

A362994 a(n) = lcm(1, 2, ..., n+1) * Bernoulli(n, 1). Alternating row sums of A362995 and A363154.

Table of values

n a(n)
0 1
1 1
2 1
3 0
4 -2
5 0
6 10
7 0
8 -84
9 0
10 2100
11 0
12 -91212
13 0
14 420420
15 0
16 -86894808
17 0
18 12796881240
19 0
20 -123176186952
21 0
22 33154044803880
23 0
24 -2317852458291480
25 0
26 114488177740536600
27 0
28 -63580025062953158760
29 0
30 43435207772044760997000
31 0
32 -2182849703429651931795120

List of values

[1, 1, 1, 0, -2, 0, 10, 0, -84, 0, 2100, 0, -91212, 0, 420420, 0, -86894808, 0, 12796881240, 0, -123176186952, 0, 33154044803880, 0, -2317852458291480, 0, 114488177740536600, 0, -63580025062953158760, 0, 43435207772044760997000, 0, -2182849703429651931795120]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.