This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A236361 Denominator of the mean of all parts of all partitions of n. 2
 1, 3, 2, 3, 4, 35, 18, 43, 64, 16, 25, 19, 556, 26, 89, 19, 655, 1322, 1749, 463, 1513, 2633, 10206, 941, 16851, 3587, 4549, 4935, 43453, 54563, 68135, 28309, 35122, 65231, 160876, 99007, 242812, 297201, 362587, 10513, 536104, 216597, 785437, 236953, 76063 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS The arithmetic mean, M(n), of all parts of all partitions of n can be approximated by n^e(n), as typified by these pairs: n ..... 100 .... 1000 .... 2000 .... 3000 .... 4000 .... 5000 e(n) .. 0.331 .. 0.3410 .. 0.3447 .. 0.3468 .. 0.3483 .. 0.3495 LINKS Alois P. Heinz, Table of n, a(n) for n = 1..1000 FORMULA M(n) = A066186(n)/A006128(n). EXAMPLE First eight means:  1, 4/3, 3/2, 5/3, 7/4, 66/35, 35/18, 88/43. CROSSREFS Cf. A006128, A066186, A236360. Sequence in context: A200599 A239947 A173093 * A227634 A064885 A029618 Adjacent sequences:  A236358 A236359 A236360 * A236362 A236363 A236364 KEYWORD nonn,frac,easy AUTHOR Clark Kimberling, Jan 24 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 October 20 20:23 EDT 2019. Contains 328273 sequences. (Running on oeis4.)