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!)
 A127439 Triangle read by rows, in which row n consists of first n terms of A054541. 0
 2, 2, 1, 2, 1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 4, 2, 1, 2, 2, 4, 2, 2, 1, 2, 2, 4, 2, 4, 2, 1, 2, 2, 4, 2, 4, 2, 2, 1, 2, 2, 4, 2, 4, 2, 4, 2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 6, 2, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 6, 4 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row sums give A000040. Rows tend to A054541: (2, 1, 2, 2, 4, 2, 4,...) LINKS EXAMPLE prime(5) = 2 + 1 + 2 + 2 + 4 = 11. CROSSREFS Cf. A054541, A000040, A001223. Sequence in context: A082389 A246127 A119469 * A218775 A191971 A156051 Adjacent sequences:  A127436 A127437 A127438 * A127440 A127441 A127442 KEYWORD nonn,tabl AUTHOR Gary W. Adamson, Jan 14 2007 EXTENSIONS Edited by N. J. A. Sloane, Jan 27 2007 More terms from Omar E. Pol, Feb 21 2014 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 May 27 12:01 EDT 2020. Contains 334657 sequences. (Running on oeis4.)