The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A111568 Triangle read by rows: row n contains n terms of the arithmetic progression having first term 1 and common difference 2[n^(n-1)-1]/(n-1). 2
 1, 1, 3, 1, 9, 17, 1, 43, 85, 127, 1, 313, 625, 937, 1249, 1, 3111, 6221, 9331, 12441, 15551, 1, 39217, 78433, 117649, 156865, 196081, 235297, 1, 599187, 1198373, 1797559, 2396745, 2995931, 3595117, 4194303, 1, 10761681, 21523361, 32285041 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Common difference of the row n arithmetic progression = A093461(n) (n>=2). Last term in row n = A093460(n). Sum of terms in row n = n^n=A000312(n). LINKS Table of n, a(n) for n=1..40. FORMULA T(1, 0)=1; T(n, k)=1+2k[n^(n-1)-1]/(n-1) if n>=2 and 0<=k1 and k

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.

Last modified May 23 14:23 EDT 2024. Contains 372763 sequences. (Running on oeis4.)