The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A318938 If n=0 then 1 otherwise 16*(1+22*A318935(n))*(sum of cubes of odd divisors of n). 1
 1, 368, 3184, 10304, 25712, 46368, 89152, 126592, 205936, 278576, 401184, 490176, 719936, 808864, 1095296, 1298304, 1647728, 1808352, 2410288, 2524480, 3239712, 3544576, 4241088, 4477824, 5766208, 5796368, 6998432, 7521920, 8844928, 8975520, 11233152, 10963456, 13182064, 13724928, 15646176, 15950592, 19463984 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS P. J. C. Lamont, The number of Cayley integers of given norm, Proceedings of the Edinburgh Mathematical Society, 25.1 (1982): 101-103. See (7). MAPLE with(numtheory); A007814 := n -> padic[ordp](n, 2): T:= n -> add(2^(3*m), m=0..A007814(n)); f := proc(n) local t2, i, d; if n=0 then return(1); fi; t2:=0; for d in divisors(n) do if (d mod 2) = 1 then t2:=t2+d^3; fi; od: 16*(1+22*T(n))*t2; end; [seq(f(k), k=0..50)]; CROSSREFS Cf. A318935. Sequence in context: A098823 A252222 A173055 * A240006 A097501 A239411 Adjacent sequences:  A318935 A318936 A318937 * A318939 A318940 A318941 KEYWORD nonn AUTHOR N. J. A. Sloane, Sep 15 2018 STATUS approved

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

Last modified September 17 06:16 EDT 2021. Contains 347478 sequences. (Running on oeis4.)