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!)
 A256794 First differences of A256792. 2
 3, 2, 1, 2, 2, 2, 1, 2, 1, 3, 2, 1, 2, 1, 2, 3, 2, 1, 2, 1, 2, 2, 3, 2, 1, 2, 3, 2, 2, 3, 2, 1, 2, 2, 3, 2, 2, 3, 2, 1, 2, 1, 3, 3, 2, 2, 3, 2, 1, 2, 2, 1, 3, 3, 2, 2, 3, 2, 1, 2, 2, 2, 1, 3, 3, 2, 2, 3, 2, 1, 2, 1, 3, 2, 1, 3, 3, 2, 2, 3, 2, 1, 2, 3, 3, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE R(0) = 0; R(1) = 1; R(2) = 4 - 2; R(3) = 4 - 1; R(4) = 4; R(5) = 9 - 4. MATHEMATICA b[n_] := n^2; bb = Table[b[n], {n, 0, 1000}];  (* Squares as base *) s[n_] := Table[b[n], {k, 1, 2 n - 1}]; h[1] = {1}; h[n_] := Join[h[n - 1], s[n]]; g = h[100]; r[0] = {0}; r[1] = {1}; r[2] = {4, -2}; r[n_] := If[MemberQ[bb, n], {n}, Join[{g[[n]]}, -r[g[[n]] - n]]]; Table[r[n], {n, 0, 120}]; (* A256789 *) u = Flatten[Table[Last[r[n]], {n, 1, 1000}]];  (* A256791 *) u1 = Select[Range[800], u[[#]] > 0 &]; (* A256792 *) u2 = Select[Range[800], u[[#]] < 0 &]; (* A256793 *) Differences[u1]  (* A256794 *) Differences[u2]  (* A256795 *) CROSSREFS Cf. A256792, A256795. Sequence in context: A079109 A079099 A213195 * A068929 A060567 A174543 Adjacent sequences:  A256791 A256792 A256793 * A256795 A256796 A256797 KEYWORD nonn,easy AUTHOR Clark Kimberling, Apr 13 2015 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 28 14:58 EDT 2021. Contains 347716 sequences. (Running on oeis4.)