The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A366202 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A366202

Numbers x such that (x^2 AND x) is not a square, where AND is the bitwise logical-and operation.
(history; published version)

#7 by Michael De Vlieger at Thu Oct 05 08:36:10 EDT 2023

STATUS

reviewed

approved

#6 by Kevin Ryde at Thu Oct 05 07:02:22 EDT 2023

STATUS

proposed

reviewed

#5 by Kevin Ryde at Wed Oct 04 07:02:24 EDT 2023

STATUS

editing

proposed

#4 by Kevin Ryde at Wed Oct 04 06:58:13 EDT 2023

NAME

Numbers x such that (x^2 AND x) is not a square. , where AND is the bitwise logical-and operation.

COMMENTS

Numbers n x such that A213541(nx) is not in A000290.

The subsequence of even terms begins: 42, 58, 78, 86, 106, 110, 122, 140, 142, 150, 154, 158, 162, 166, 170, 172, 178, 186, 204, 218.

STATUS

proposed

editing

Discussion

Wed Oct 04

07:02

Kevin Ryde: If even terms are interesting then they should be a sequence, instead of a list in a comment.

#3 by Alex Ratushnyak at Wed Oct 04 05:52:47 EDT 2023

STATUS

editing

proposed

#2 by Alex Ratushnyak at Wed Oct 04 05:51:36 EDT 2023

NAME

allocated for Alex RatushnyakNumbers x such that (x^2 AND x) is not a square. AND is the bitwise logical-and operation.

DATA

21, 23, 25, 39, 42, 43, 45, 47, 49, 51, 55, 58, 73, 75, 78, 79, 83, 85, 86, 87, 91, 93, 95, 97, 99, 101, 103, 106, 107, 109, 110, 111, 113, 115, 117, 122, 140, 141, 142, 143, 149, 150, 151, 153, 154, 155, 158, 159, 162, 163, 166, 167, 169, 170, 171, 172, 175

OFFSET

1,1

COMMENTS

Numbers n such that A213541(n) is not in A000290.

The subsequence of even terms begins: 42, 58, 78, 86, 106, 110, 122, 140, 142, 150, 154, 158, 162, 166, 170, 172, 178, 186, 204, 218.

CROSSREFS

Cf. A000290, A213541.

KEYWORD

allocated

nonn,base

AUTHOR

Alex Ratushnyak, Oct 04 2023

STATUS

approved

editing

#1 by Alex Ratushnyak at Wed Oct 04 05:51:36 EDT 2023

NAME

allocated for Alex Ratushnyak

KEYWORD

allocated

STATUS

approved