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!)
A027450 Third diagonal of A027446. 1
11, 13, 47, 37, 214, 365, 955, 847, 8372, 7602, 90510, 83490, 77484, 144573, 2303301, 2167165, 38878840, 36824788, 34977228, 33306468, 731129880, 699259470, 3350272926, 3215969526, 9276087128, 8931886700, 249757779700, 241131522060, 7225531873560 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..31.

FORMULA

Numerators of sequence a[ n, n-2 ] in (a[ i, j ])^2 where a[ i, j ] = 1/i if j<=i, 0 if j>i.

CROSSREFS

Cf. A027446.

Sequence in context: A023268 A154292 A188386 * A234799 A036295 A132201

Adjacent sequences:  A027447 A027448 A027449 * A027451 A027452 A027453

KEYWORD

nonn

AUTHOR

Olivier Gérard

EXTENSIONS

More terms from Sean A. Irvine, Nov 04 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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 26 20:33 EST 2020. Contains 331288 sequences. (Running on oeis4.)