login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A280760 Index of first occurrence of n in A280055. 1
1, 2, 5, 16, 58, 440, 17281, 16049141, 8010046523646 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..9.

FORMULA

a(n) = a(n-1) + {sum of members of A008578 <= a(n-1)}. - Charlie Neder, Jun 14 2019

CROSSREFS

Cf. A280055, A008578.

Sequence in context: A019448 A243326 A185143 * A000753 A007878 A019589

Adjacent sequences:  A280757 A280758 A280759 * A280761 A280762 A280763

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Jan 08 2017

EXTENSIONS

a(7)-a(9) from Lars Blomberg, Jan 11 2017

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 18 09:59 EDT 2019. Contains 327170 sequences. (Running on oeis4.)