1,2

Table of n, a(n) for n=1..8.

A048691(2) and A048691(3) are equal (to 3).

A048691(14), A048691(15) and A048691(16) are equal (to 9).

Cf. A048691, A006558, A276553.

Sequence in context: A296412 A296410 A006266 * A106484 A228342 A027739

Adjacent sequences: A284375 A284376 A284377 * A284379 A284380 A284381

nonn,more

Michel Marcus, Apr 15 2017

a(8) from Giovanni Resta, Apr 15 2017

approved