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!)
A228689 a(n) = A001676(4*n + 3). 6

%I #18 Nov 30 2022 07:50:08

%S 1,28,992,16256,523264,69524373504,67100672,7767211311104,

%T 3014494287036416,2303837503821447168,341653284209033216,

%U 798366828940770681028608,11852230872517975212032,91678339751618435453288448,1986677733776616536315084668928,284423744326342962334231917756416

%N a(n) = A001676(4*n + 3).

%H V. P. Snaith, <a href="http://www.ams.org/notices/201308/rnoti-p1040.pdf">A history of the Arf-Kervaire invariant problem</a>, Notices Amer. Math. Soc., 60 (No. 8, 2013), 1040-1047.

%Y Cf. A001676, A228690, A228691, A228692, A189995.

%K nonn

%O 0,2

%A _N. J. A. Sloane_, Aug 30 2013

%E Term a(15) corrected by _Andrey Zabolotskiy_, Nov 27 2022

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 May 9 14:31 EDT 2024. Contains 372351 sequences. (Running on oeis4.)