|
|
A061114
|
|
Concatenation of first n Bell numbers (starting with A000110(1)).
|
|
0
|
|
|
1, 12, 125, 12515, 1251552, 1251552203, 1251552203877, 12515522038774140, 1251552203877414021147, 1251552203877414021147115975, 1251552203877414021147115975678570
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
|
|
REFERENCES
|
Amarnath Murthy, Generalization of Partition function, introducing Smarandache Factor partition, Smarandache Notions Journal, Vol. 11, No. 1-2-3, Spring 2000.
Amarnath Murthy, A general result on the Smarandache Star function, Smarandache Notions Journal, Vol. 11, No. 1-2-3, Spring 2000.
Amarnath Murthy, Properties of Smarandache Star Triangle, Smarandache Notions Journal, Vol. 11, No. 1-2-3, Spring 2000.
|
|
LINKS
|
|
|
EXAMPLE
|
a(5) = 1251552, since 1, 2, 5, 15, 52 are the first five bell numbers.
|
|
MAPLE
|
with(combinat, bell): for n from 1 to 20 do for k from 1 to n do printf(`%d`, bell(k)) od: printf(`, `): od:
|
|
MATHEMATICA
|
Module[{nn=20, bn}, bn=BellB[Range[nn]]; Table[FromDigits[ Flatten[ IntegerDigits/@ Take[bn, n]]], {n, nn}]] (* Harvey P. Dale, Aug 02 2016 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base,less
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|