1,5

Table of n, a(n) for n=1..87.

a(15) = 3 because A086567(k) = 15 for k = 37; 49; 57.

Cf. A086567.

Sequence in context: A274080 A074641 A069003 * A083409 A344779 A317586

Adjacent sequences: A087852 A087853 A087854 * A087856 A087857 A087858

nonn

Philippe Deléham

approved