1,1
R. Alter, Computations and generalizations on a remark of Ramanujan, pp. 182-196 of "Analytic Number Theory (Philadelphia, 1980)", ed. M. I. Knopp, Lect. Notes Math., Vol. 899, 1981.
Table of n, a(n) for n=1..4.
4=1^1+3^1=2^1+2^1, 50=1^2+7^2=5^2+5^2, 1729=1^3+12^3=9^3+10^3, etc.
Cf. A046881.
Sequence in context: A201829 A201209 A026865 * A193157 A221477 A122464
Adjacent sequences: A016075 A016076 A016077 * A016079 A016080 A016081
nonn,nice,hard
Robert G. Wilson v
approved
