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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A176874 Minimal nonnegative integer that cannot be represented as the sum of an m-gonal and a k-gonal number for any k,m less than n. 5
0, 5, 23, 62, 62, 723, 1578, 1578, 8139, 39644, 94323, 94323, 1317783, 1680515, 2025699, 3205598, 23003999, 113333163, 170717819, 1710518799, 3608109348, 16655876439, 24090452279 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

COMMENTS

Indices of records in A176873 (with repetitions).

LINKS

Table of n, a(n) for n=3..25.

Max Alekseyev, Proof that the sequence is infinite. [Sequence Fans mailing list, Apr 26 2010.]

FORMULA

a(n) = smallest integer s such that A176873(s)>=n.

CROSSREFS

Cf. A176873, A176774.

Sequence in context: A098498 A159241 A179094 * A241765 A106956 A084671

Adjacent sequences:  A176871 A176872 A176873 * A176875 A176876 A176877

KEYWORD

hard,more,nonn

AUTHOR

Vladimir Shevelev and Max Alekseyev, Apr 27 2010

EXTENSIONS

Edited by N. J. A. Sloane, Apr 29 2010

a(19) - a(22) from Jon E. Schoenfield, Aug 08 2010

a(23)-a(25) from Donovan Johnson, Jan 24 2011

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.

License Agreements, Terms of Use, Privacy Policy .

Last modified September 24 18:54 EDT 2017. Contains 292433 sequences.