1,1
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.
Cf. A049023, A049025, A049026.
Sequence in context: A180220 A108110 A196893 * A093228 A043415 A105921
Adjacent sequences: A049021 A049022 A049023 * A049025 A049026 A049027
nonn
Floor van Lamoen (fvlamoen(AT)hotmail.com)