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!)
A085870 Array defined by T(i,1)=2^i-1, T(1,j)=2^j-1, T(i,j)=T(i-1,j)+T(i-1,j-1) read by antidiagonals 3
1, 3, 3, 7, 4, 7, 15, 7, 10, 15, 31, 14, 14, 22, 31, 63, 29, 21, 32, 46, 63, 125, 60, 35, 46, 68, 94, 125, 249, 123, 64, 67, 100, 140, 188, 249, 497, 248, 124, 102, 146, 208, 282, 374, 497, 993, 497, 247, 166, 213, 308, 422, 562, 746, 993, 1985, 994, 495, 290, 315, 454, 630, 844, 1120, 1490, 1985 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..66.

CROSSREFS

Cf. A027649 (main diagonal)

Sequence in context: A187419 A099282 A002937 * A332463 A324573 A096633

Adjacent sequences:  A085867 A085868 A085869 * A085871 A085872 A085873

KEYWORD

nonn,tabl

AUTHOR

Benoit Cloitre, Aug 12 2003

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 February 26 18:29 EST 2020. Contains 332293 sequences. (Running on oeis4.)