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!)

A290430 as a triangular array

1
10
110
1200
13100
143000
1561010
161040200
17151013200
182120546000
192835156123000
1103656351220120000
11145847028313040100
112551201266449602003000

A290430 as a square array

11111111111111
0123456789101112
0013610152128364555
000141020355684120
000015153570126
012346122864
002612203149
0003123060
0000420
00000
0013
000
00
0

A290430 as an upper right triangle

11111111111111
0123456789101112
0013610152128364555
000141020355684120
000015153570126
012346122864
002612203149
0003123060
0000420
00000
0013
000
00
0

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 27 15:16 EST 2020. Contains 332307 sequences. (Running on oeis4.)