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!)
 A143980 Binomial transform of A079260. 1
 0, 0, 0, 0, 1, 6, 21, 56, 126, 252, 462, 792, 1288, 2016, 3108, 4928, 8569, 17154, 38931, 94164, 229824, 550088, 1278662, 2884752, 6335005, 13590930, 28575315, 59014620, 119878606, 239662236, 471605976, 913302656, 1740247806, 3262146492, 6015853242 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,6 LINKS Alois P. Heinz, Table of n, a(n) for n = 1..1000 FORMULA a(n) = Sum_{k=5..n} C(n,k) * A079260(k). EXAMPLE a(13) = [1287,1716,1716,1287,715,286,78,13,1] * [1,0,0,0,0,0,0,0,1] = 1287+1 = 1288. MAPLE bintrans:= proc(p) proc (n) add (p(k) *binomial(n, k), k=0..n) end end: f:= proc(n) if isprime(n) and modp(n, 4)=1 then 1 else 0 fi end: a:= bintrans(f): seq (a(n), n=1..40); CROSSREFS Cf. A007318, A079260. Sequence in context: A341203 A090581 A000389 * A140228 A264926 A006090 Adjacent sequences:  A143977 A143978 A143979 * A143981 A143982 A143983 KEYWORD nonn AUTHOR Alois P. Heinz, Sep 06 2008 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 June 23 16:06 EDT 2021. Contains 345402 sequences. (Running on oeis4.)