|
| |
|
|
A003590
|
|
Rows of Pascal's triangle written as a single number.
|
|
3
| |
|
|
1, 11, 121, 1331, 14641, 15101051, 1615201561, 172135352171, 18285670562881, 193684126126843691, 1104512021025221012045101, 1115516533046246233016555111, 1126622049579292479249522066121
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
COMMENTS
| If n<=500, a(n) is prime only for a(1)=11, a(8)=18285670562881, and a(29) [From Enrique Perez Herrero (psychgeometry(AT)gmail.com), Jun 05 2010]
|
|
|
FORMULA
| mod(a(n),100)=1+10*mod(n,10) [Enrique Perez Herrero (psychgeometry(AT)gmail.com), May 27 2010]
|
|
|
MATHEMATICA
| A003590[i_Integer] := ToExpression[StringJoin[Table[ToString[Binomial[i, j]], {j, 0, i}]]] [From Enrique Perez Herrero (psychgeometry(AT)gmail.com), May 27 2010]
|
|
|
PROG
| (PARI) A003590(i)={ my(j, a); a=""; for(j=0, i, a=Str(a, binomial(i, j)) ); return(eval(a)); } /* Enrique Perez Herrero (psychgeometry(AT)gmail.com), Jun 03 2010 */
|
|
|
CROSSREFS
| Cf. A007318.
Sequence in context: A001020 A055479 A195946 * A072051 A092846 A088760
Adjacent sequences: A003587 A003588 A003589 * A003591 A003592 A003593
|
|
|
KEYWORD
| nonn,easy,base
|
|
|
AUTHOR
| Matthew Wells (mwells(AT)nmt.edu)
|
| |
|
|
