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!)
 A180338 Triangle by rows, A033452 convolved with A000079 2
 1, 2, 5, 4, 10, 22, 8, 20, 44, 99, 16, 40, 88, 198, 471, 32, 80, 176, 396, 942, 2386, 64, 160, 352, 792, 1884, 4772, 12867, 128, 324, 704, 1584, 3768, 9544, 25734, 73681 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Row sums = A058681: (1, 7, 36, 171, 813, 4012, 20891,...). LINKS FORMULA Antidiagonals of a multiplication table generated from A033452 * powers of 2. EXAMPLE First few rows of the triangle = 1; 2, 5; 4, 10, 22; 8, 20, 44, 99; 16, 40, 88, 198, 471; 32, 80, 176, 396, 942, 2386; 64, 160, 352, 792, 1884, 4772, 12867; 128, 324, 704, 1584, 3768, 9544, 25734, 73681; ... CROSSREFS Cf. A033452, A058681 Sequence in context: A114393 A241256 A230435 * A232646 A100710 A069913 Adjacent sequences:  A180335 A180336 A180337 * A180339 A180340 A180341 KEYWORD nonn,tabl AUTHOR Gary W. Adamson, Aug 28 2010 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 February 18 02:57 EST 2020. Contains 332006 sequences. (Running on oeis4.)