login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A277026 n for which A277023(4n) is not a square, thus A277024(4n) is nonzero. 4
7, 8, 11, 13, 16, 19, 22, 25, 27, 29, 32, 38, 43, 46, 47, 49, 50, 53, 59, 61, 62, 64, 65, 67, 73, 75, 76, 77, 79, 82, 83, 85, 86, 87, 89, 92, 94, 97, 100, 101, 103, 104, 106, 109, 113, 115, 116, 119, 122, 124, 125, 127, 128, 130, 133, 134, 137, 140, 141, 143, 145, 146, 148, 151, 152, 154, 155, 163, 164, 167, 168, 169, 170, 173, 174, 176, 178, 179, 181, 184, 185 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
PROG
(Scheme, with Antti Karttunen's IntSeq-library)
(define A277026 (NONZERO-POS 1 1 (lambda (n) (A277024 (* 4 n)))))
CROSSREFS
Complement: A277025.
Cf. A277024.
Sequence in context: A054221 A195240 A253318 * A309592 A090385 A350694
KEYWORD
nonn
AUTHOR
Antti Karttunen, Oct 03 2016
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 12 09:44 EDT 2024. Contains 374239 sequences. (Running on oeis4.)