login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A101085 Diagonal below the main diagonal of A083796, i.e., a(n) = A083796(n, n-1). 2
2, 2, 5, 4, 8, 6, 11, 8, 24, 10, 17, 12, 20, 14, 135, 16, 26, 18, 29, 20, 252, 22, 35, 24, 90, 26, 153, 28, 44, 30, 47, 32, 594, 34, 665, 36, 56, 38, 819, 40, 62, 42, 65, 44, 1080, 46, 71, 48, 224, 50, 1377, 52, 80, 54, 1595, 56, 1710, 58, 89, 60, 92, 62, 2079, 64, 2210, 66 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

a(n) is the least k such that 1) n divides k + (n-1)(n-2)/2; 2) k > n-2; 3) A048671(n-1) divides k.

LINKS

Table of n, a(n) for n=2..67.

CROSSREFS

Cf. A048671, A083796, A083797.

Sequence in context: A318196 A081177 A007281 * A088880 A008818 A089599

Adjacent sequences:  A101082 A101083 A101084 * A101086 A101087 A101088

KEYWORD

easy,nonn,less

AUTHOR

David Wasserman, Nov 30 2004

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 November 28 09:48 EST 2021. Contains 349401 sequences. (Running on oeis4.)