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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.

A081978 Smallest triangular number with exactly n divisors, or 0 if no such number exists.

Table of values

n a(n)
1 1
2 3
3 0
4 6
5 0
6 28
7 0
8 66
9 36
10 496
11 0
12 276
13 0
14 8128
15 1631432881
16 120
17 0
18 300
19 0
20 528
21 0
22 38009927549623740385753
23 0
24 630
25 0
26 33550336
27 2172602007770041
28 8256
29 0
30 209628
31 0
32 3570
33 0
34 8589869056
35 0
36 2016
37 0
38 137438691328
39 0
40 3240
41 0
42 662976
43 0
44 2096128
45 41616

List of values

[1, 3, 0, 6, 0, 28, 0, 66, 36, 496, 0, 276, 0, 8128, 1631432881, 120, 0, 300, 0, 528, 0, 38009927549623740385753, 0, 630, 0, 33550336, 2172602007770041, 8256, 0, 209628, 0, 3570, 0, 8589869056, 0, 2016, 0, 137438691328, 0, 3240, 0, 662976, 0, 2096128, 41616]

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

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