A134579 Column products of tables A133232 and A133233.

1, 4, 729, 256, 95367431640625, 0, 311973482284542371301330321821976049, 16777216, 150094635296999121, 0, 3574335935197503226412197580625705154978327969466895714094061686977589739390331653361877238387305580817715435470601

Offset: 1

Author

Mats Granvik, Jan 23 2008

Keywords

• nonn

Examples

			a(1) = 1^(1*1-1) = 1
a(2) = 2^(2*2-2) = 4
a(3) = 3^(3*3-3) = 729
a(4) = 4^(2*4-4) = 256
a(5) = 5^(5*5-5) = 95367431640625
a(6) = 6^(1*1-6) = 0
		

Crossrefs

Cf. A133232, A133233, A014963, A100994.

Programs

Maple

A100994 := proc(n) if nops(numtheory[factorset](n)) <> 1 then 1 ; else n ; fi ; end: A014963 := proc(n) if nops(numtheory[factorset](n)) <> 1 then 1 ; else op(1,op(1,ifactors(n)[2])) ; fi ; end: A134579 := proc(n) local e ; e := A014963(n)*A100994(n)-n ; if e >= 0 then n^e ; else 0 ; fi ; end: seq(A134579(n),n=1..13) ; # R. J. Mathar, Jan 30 2008

Formula

a(n) = if A014963(n)*A100994(n)-n >= 0 then n^(A014963(n)*A100994(n)-n) else 0.

Extensions

More terms from R. J. Mathar, Jan 30 2008