1,1

Table of n, a(n) for n=1..61.

(PARI) for(n=1, 220, if(core(n)>core(n+1), print1(n, ", ")))

Cf. A007913.

Sequence in context: A194470 A078466 A047528 * A278519 A007970 A255342

Adjacent sequences: A069119 A069120 A069121 * A069123 A069124 A069125

easy,nonn

Benoit Cloitre, Apr 07 2002

approved