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A049026
Greater of amicable pair of Euler's first form with GCD a prime times a power of 2.
3
76084, 35519098074752, 40394660551808, 140398390178048, 24968914011587584, 172528182903384064, 19018888379830399657984, 76675425694998757083136, 427982549048832989952622592, 1315973281312137988308992
OFFSET
0,1
COMMENTS
The sequence is ordered first on the common power of 2, then on size of the number. More entries can be found in the reference.
REFERENCES
Mariano Garcia, New Amicable Pairs of Euler's First Form with Greatest Common Factor a Prime Times a Power of 2, Nieuw Arch. Wisk 17(1999), pp. 25-27
CROSSREFS
KEYWORD
nonn
STATUS
approved