

A118851


Product of parts in nth partition in Abramowitz and Stegun order.


5



1, 1, 2, 1, 3, 2, 1, 4, 3, 4, 2, 1, 5, 4, 6, 3, 4, 2, 1, 6, 5, 8, 9, 4, 6, 8, 3, 4, 2, 1, 7, 6, 10, 12, 5, 8, 9, 12, 4, 6, 8, 3, 4, 2, 1, 8, 7, 12, 15, 16, 6, 10, 12, 16, 18, 5, 8, 9, 12, 16, 4, 6, 8, 3, 4, 2, 1, 9, 8, 14, 18, 20, 7, 12, 15, 16, 20, 24, 27, 6, 10, 12, 16, 18, 24, 5, 8, 9, 12, 16, 4
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OFFSET

0,3


REFERENCES

Abramowitz and Stegun, Handbook (1964) page 831.


LINKS

Table of n, a(n) for n=0..90.
M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].
Wolfdieter Lang, Rows n=1..10.


FORMULA

a(n) = A085643(n)/A048996(n)


EXAMPLE

a(9) = 4 because the 9th partition is [2,2] and 2*2 = 4.


CROSSREFS

Cf. A036036, A006906 (row sums), A000041 (row lengths), A048996, A111786, A078812, A085643, A103921.
Sequence in context: A104325 A204925 A133084 * A112383 A272464 A133404
Adjacent sequences: A118848 A118849 A118850 * A118852 A118853 A118854


KEYWORD

nonn,tabf


AUTHOR

Alford Arnold, May 01 2006


EXTENSIONS

Corrected and extended by Franklin T. AdamsWatters, May 26 2006


STATUS

approved



