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: A090789 A002046 A108110 this_sequence A093228 A043415 A105921

Adjacent sequences: A049021 A049022 A049023 this_sequence A049025 A049026 A049027

nonn

Floor van Lamoen (fvlamoen(AT)hotmail.com)