1,6
a(16)=15 because A130537(16) =49814113380273715457 = 16 ^ 15 + 17 ^ 16 = 1152921504606846976 + 48661191875666868481;
Cf. A130537.
Sequence in context: A124761 A081400 A131963 this_sequence A078659 A079690 A040076
Adjacent sequences: A130535 A130536 A130537 this_sequence A130539 A130540 A130541
nonn
Tomas Xordan (xordan.tom(AT)gmail.com), Jun 02 2007
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