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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.

A358929 a(n) is the smallest centered triangular number with exactly n prime factors (counted with multiplicity).

Table of values

n a(n)
0 1
1 19
2 4
3 316
4 136
5 760
6 64
7 4960
8 22144
9 103360
10 27136
11 5492224
12 1186816
13 41414656
14 271212544
15 559980544
16 1334788096
17 12943360
18 7032930304
19 527049293824
20 158186536960
21 1096295120896
22 7871801589760
23 154690378792960
24 13071965224960
25 56262393856
26 964655941943296

List of values

[1, 19, 4, 316, 136, 760, 64, 4960, 22144, 103360, 27136, 5492224, 1186816, 41414656, 271212544, 559980544, 1334788096, 12943360, 7032930304, 527049293824, 158186536960, 1096295120896, 7871801589760, 154690378792960, 13071965224960, 56262393856, 964655941943296]

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

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