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!)
A039812 Matrix 4th power of Stirling2 triangle A008277. 2

%I

%S 1,4,1,22,12,1,154,136,24,1,1304,1650,460,40,1,12915,21904,8550,1160,

%T 60,1,146115,318521,162904,30590,2450,84,1,1855570,5051988,3246068,

%U 789824,86940,4592,112,1,26097835,86910426,68151304,20606796,2919504

%N Matrix 4th power of Stirling2 triangle A008277.

%F E.g.f. k-th column: ((exp(exp(exp(exp(x)-1)-1)-1))^k)/k!.

%e Triangle begins

%e 1;

%e 4, 1;

%e 22, 12, 1;

%e 154, 136, 24, 1; ...

%Y Cf. A039810-A039813. |a(n, 1)| = A000307(n) (first column).

%K nonn,tabl

%O 1,2

%A _Christian G. Bower_, Feb 15 1999

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 August 4 14:04 EDT 2020. Contains 336201 sequences. (Running on oeis4.)