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.

A277412 A diagonal of triangle A277410.

Table of values

n a(n)
0 1
1 13
2 165
3 2310
4 36330
5 640710
6 12588345
7 273544425
8 6529047525
9 170116046100
10 4812116809500
11 147071309685300
12 4835838768886125
13 170422360844360625
14 6415409821472276625
15 257182138353489599250
16 10948868951071241940750
17 493742086990731259931250
18 23529007012831307040178125
19 1182267810558397149214753125
20 62507026744534189248771965625
21 3470421725511913171914539625000
22 201956614461150241288627906875000

List of values

[1, 13, 165, 2310, 36330, 640710, 12588345, 273544425, 6529047525, 170116046100, 4812116809500, 147071309685300, 4835838768886125, 170422360844360625, 6415409821472276625, 257182138353489599250, 10948868951071241940750, 493742086990731259931250, 23529007012831307040178125, 1182267810558397149214753125, 62507026744534189248771965625, 3470421725511913171914539625000, 201956614461150241288627906875000]

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

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