1,1

Table of n, a(n) for n=1..23.

3^3 - 5^2 = 2, 3 + 3 + 5 + 2 = 13; 2^7 - 5^3 = 3, 2 + 7 + 5 + 3 = 17; 2^5 - 3^3 = 5, 2 + 5 + 3 + 3 = 13; 3^3 - 2^3 = 19, 3 + 3 + 2 + 3 = 11;

Sequence in context: A061060 A084307 A066918 * A117326 A052055 A272119

Adjacent sequences: A164059 A164060 A164061 * A164063 A164064 A164065

nonn

Oleg Zyakun, Aug 12 2009

approved