This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A324580 a(n) = n * A276086(n). 10
 0, 2, 6, 18, 36, 90, 30, 70, 120, 270, 450, 990, 300, 650, 1050, 2250, 3600, 7650, 2250, 4750, 7500, 15750, 24750, 51750, 15000, 31250, 48750, 101250, 157500, 326250, 210, 434, 672, 1386, 2142, 4410, 1260, 2590, 3990, 8190, 12600, 25830, 7350, 15050, 23100, 47250, 72450, 148050, 42000, 85750, 131250, 267750, 409500 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Antti Karttunen, Table of n, a(n) for n = 0..10000 FORMULA a(n) = n * A276086(n). For n >= 0, a(A002110(n)) = A002110(1+n). PROG (PARI) A276086(n) = { my(i=0, m=1, pr=1, nextpr); while((n>0), i=i+1; nextpr = prime(i)*pr; if((n%nextpr), m*=(prime(i)^((n%nextpr)/pr)); n-=(n%nextpr)); pr=nextpr); m; }; A324580(n) = n*A276086(n); CROSSREFS Cf. A002110, A276086, A324198, A324577, A324578, A324579, A324582. Sequence in context: A146345 A064842 A302647 * A101695 A014741 A016059 Adjacent sequences:  A324577 A324578 A324579 * A324581 A324582 A324583 KEYWORD nonn AUTHOR Antti Karttunen, Mar 09 2019 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 21 19:58 EDT 2019. Contains 328315 sequences. (Running on oeis4.)