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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.

A014827 a(1)=1, a(n) = 5*a(n-1) + n.

Table of values

n a(n)
1 1
2 7
3 38
4 194
5 975
6 4881
7 24412
8 122068
9 610349
10 3051755
11 15258786
12 76293942
13 381469723
14 1907348629
15 9536743160
16 47683715816
17 238418579097
18 1192092895503
19 5960464477534
20 29802322387690
21 149011611938471
22 745058059692377
23 3725290298461908
24 18626451492309564
25 93132257461547845

List of values

[1, 7, 38, 194, 975, 4881, 24412, 122068, 610349, 3051755, 15258786, 76293942, 381469723, 1907348629, 9536743160, 47683715816, 238418579097, 1192092895503, 5960464477534, 29802322387690, 149011611938471, 745058059692377, 3725290298461908, 18626451492309564, 93132257461547845]

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

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