This site is supported by donations to The OEIS Foundation.

 Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS". Other ways to donate

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A176047 Triangle t(n,m) = A004001(m+1)+A004001(n-m+1)-A004001(n+1) read by rows, 0<=m<=n. 1
 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, -1, 0, 1, 0, -1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,31 LINKS EXAMPLE 1; 1, 1; 1, 0, 1; 1, 1, 1, 1; 1, 0, 1, 0, 1; 1, 0, 0, 0, 0, 1; 1, 1, 1, 0, 1, 1, 1; MAPLE A176047 := proc(n, m)         A004001(m+1)+A004001(n-m+1)-A004001(n+1) ; end proc: seq(seq(A176047(n, m), m=0..n), n=0..12) ; # R. J. Mathar, Jul 11 2012 CROSSREFS Sequence in context: A014750 A015491 A015776 * A067461 A136673 A283149 Adjacent sequences:  A176044 A176045 A176046 * A176048 A176049 A176050 KEYWORD sign,tabl AUTHOR Roger L. Bagula and Gary W. Adamson, Apr 07 2010 EXTENSIONS Mutually compatible definition and terms installed. Erroneous row sums removed. - R. J. Mathar, Jul 11 2012 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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified November 18 19:06 EST 2017. Contains 294894 sequences.