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A227767
First n-fold perfect number divided by 30240, or 0 if the quotient is not an integer.
6
0, 0, 0, 1, 468996, 5104019711831040, 4672979429478781357799252736061029208476969074688000
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OFFSET
1,5
COMMENTS
The first n-fold perfect numbers are A007539(n) = 1, 6, 120, 30240, 14182439040, ..., for n = 1, 2, 3, 4, 5, ...
For additional comments, references, links, and cross-refs, see A007539 and A227765.
LINKS
T. D. Noe, Table of n, a(n) for n = 1..8
FORMULA
a(n) = A007539(n)/30240 if 4 <= n <= 8.
EXAMPLE
The first 5-fold perfect number is A007539(5) = 14182439040, so a(5) = 14182439040/30240 = 468996.
CROSSREFS
Cf. A007539, A227765, A227766, A227768, A227769.
Sequence in context: A341152 A096889 A206205 * A328255 A092010 A206541
Adjacent sequences: A227764 A227765 A227766 * A227768 A227769 A227770
KEYWORD
nonn
AUTHOR
Jonathan Sondow, Jul 29 2013
STATUS
approved

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Last modified November 27 16:51 EST 2024. Contains 378160 sequences.
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