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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.

A377356 a(n) = Product{i = 1..(n-1)} prime(i)^e_i, where prime(i)^e_i is the smallest power of prime(i) which exceeds prime(n).

Table of values

n a(n)
1 1
2 4
3 72
4 1800
5 529200
6 64033200
7 21643221600
8 6254891042400
9 2258015666306400
10 17917354312141284000
11 15068494976510819844000
12 28961647344853795740168000
13 39648495215104846368289992000
14 66649120456591246745095476552000
15 123234223724237215231681536144648000
16 1905570801447880059127491593404692024000

List of values

[1, 4, 72, 1800, 529200, 64033200, 21643221600, 6254891042400, 2258015666306400, 17917354312141284000, 15068494976510819844000, 28961647344853795740168000, 39648495215104846368289992000, 66649120456591246745095476552000, 123234223724237215231681536144648000, 1905570801447880059127491593404692024000]

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

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