This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A145850 a(n)=A145818(2n-1) 1
 1, 17, 65, 81, 257, 273, 321, 337, 1025 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Every positive odd integer m==3(mod 16) is a unique sum of the form a(s) + 2a(t), while other odd integers are not expressible in such form. LINKS FORMULA If f(x)=sum_{n>=1}x^a(n), abs(x)<1, then f(x)*f(x^2)=x^3/(1-x^16). CROSSREFS Cf. A145818 A145812 A145849 Sequence in context: A172076 A063522 A244973 * A125992 A054402 A086533 Adjacent sequences:  A145847 A145848 A145849 * A145851 A145852 A145853 KEYWORD nonn AUTHOR Vladimir Shevelev, Oct 21 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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified October 22 18:55 EDT 2018. Contains 316500 sequences. (Running on oeis4.)