|
|
A101259
|
|
Numbers n whose deficiency is 54.
|
|
0
|
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
87 is a term of the sequence because 3*29 = 87 and 87 - 29 - 3 = g(87) = 55.
|
|
MATHEMATICA
|
Do[ If[ DivisorSigma[1, n] + 54 == 2n, Print[n]], {n, 10^7}] (* Robert G. Wilson v, Dec 22 2004 *)
|
|
PROG
|
(Magma) [n: n in [1..2*10^7] | DivisorSigma(1, n)+54 eq 2*n]; // Vincenzo Librandi, Jul 30 2015
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,more
|
|
AUTHOR
|
Vassil K. Tintschev (tinchev(AT)sunhe.jinr.ru), Dec 17 2004
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|