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!)
 A134065 Triangle, A134059 + A124927 - A007318. 1
 1, 3, 4, 3, 8, 4, 3, 12, 12, 4, 3, 16, 24, 16, 4, 20, 40, 40, 20, 4, 3, 24, 60, 80, 60, 24, 4, 3, 28, 84, 140, 140, 84, 28, 4, 3, 32, 112, 224, 280, 224, 112, 32, 3, 36, 144, 336, 504, 504, 336, 144, 36, 4 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Row sums = A078485 starting (1, 7, 15, 31, 63, 127,...). LINKS FORMULA A134059 + A124927 - A007318 as infinite lower triangular matrices. EXAMPLE First few rows of the triangle are: 1; 3, 4; 3, 8, 4; 3, 12, 12, 4; 3, 16, 24, 16, 4; 3, 20, 40, 40, 20, 4; ... CROSSREFS Cf. A124927, A134059, A078485. Sequence in context: A077005 A328347 A265723 * A015887 A077628 A158134 Adjacent sequences:  A134062 A134063 A134064 * A134066 A134067 A134068 KEYWORD nonn,tabl AUTHOR Gary W. Adamson, Oct 05 2007 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 July 24 17:43 EDT 2021. Contains 346273 sequences. (Running on oeis4.)