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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.

A340667 a(n) is derived from n by replacing each 0 in its binary representation with a string of n 0's.

Table of values

n a(n)
0 0
1 1
2 4
3 3
4 256
5 65
6 192
7 7
8 16777216
9 524289
10 2098176
11 8195
12 50331648
13 49153
14 114688
15 15
16 18446744073709551616
17 4503599627370497
18 36028797019226112
19 1099511627779
20 2305844108725321728
21 17592190238721
22 70368756760576
23 67108871
24 14167099448608935641088

List of values

[0, 1, 4, 3, 256, 65, 192, 7, 16777216, 524289, 2098176, 8195, 50331648, 49153, 114688, 15, 18446744073709551616, 4503599627370497, 36028797019226112, 1099511627779, 2305844108725321728, 17592190238721, 70368756760576, 67108871, 14167099448608935641088]

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

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