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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.

A275959 Sum of distinct terms of A002674: a(0) = 0, a(2n) = A255411(A153880(a(n))), a(2n+1) = 1+A255411(A153880(a(n))).

Table of values

n a(n)
0 0
1 1
2 12
3 13
4 360
5 361
6 372
7 373
8 20160
9 20161
10 20172
11 20173
12 20520
13 20521
14 20532
15 20533
16 1814400
17 1814401
18 1814412
19 1814413
20 1814760
21 1814761
22 1814772
23 1814773
24 1834560
25 1834561
26 1834572
27 1834573
28 1834920
29 1834921
30 1834932
31 1834933
32 239500800
33 239500801
34 239500812
35 239500813
36 239501160
37 239501161
38 239501172
39 239501173
40 239520960
41 239520961

List of values

[0, 1, 12, 13, 360, 361, 372, 373, 20160, 20161, 20172, 20173, 20520, 20521, 20532, 20533, 1814400, 1814401, 1814412, 1814413, 1814760, 1814761, 1814772, 1814773, 1834560, 1834561, 1834572, 1834573, 1834920, 1834921, 1834932, 1834933, 239500800, 239500801, 239500812, 239500813, 239501160, 239501161, 239501172, 239501173, 239520960, 239520961]

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

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