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A124833 A055932(n) divided by product of all primes less than the greatest prime factor of A055932(n). +0
2
1, 2, 4, 3, 8, 6, 16, 9, 12, 5, 32, 18, 24, 27, 10, 64, 36, 15, 48, 54, 20, 128, 72, 25, 81, 30, 96, 7, 108, 40, 256, 45, 144, 50, 162, 60, 192, 14, 216, 75, 80, 243, 512, 90, 288, 100, 21, 324, 120, 125, 384, 135, 28, 432, 150, 160, 486, 1024, 35, 180, 576, 200, 42, 648 (list; graph; listen)
OFFSET

0,2

COMMENT

Shifted right, this is a permutation of the positive integers.

FORMULA

a(n) = A055932(n) / A034386(A006530(A055932(n))-1). If A055932(n) = Product_{i=1}^k Prime(k)^e_k (with the e_i's all nonzero), then a(n) = (Product_{i=1}^{k-1} Prime(k)^{e_k-1}) * Prime(k)^e_k.

CROSSREFS

Cf. A055932, A034386, A006530.

Sequence in context: A127301 A122111 A153212 this_sequence A101468 A066194 A101283

Adjacent sequences: A124830 A124831 A124832 this_sequence A124834 A124835 A124836

KEYWORD

nonn

AUTHOR

Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Nov 09 2006

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.


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