1,1

Apparently 8 and the elements of A061743. - R. J. Mathar, Feb 19 2015

Table of n, a(n) for n=1..66.

14 = 2 * 4 + 2 + 4.

15 = 3 * 3 + 3 + 3.

There is no way to express 16 in this form, so it is not in the sequence.

Cf. A254636 is the complement.

Sequence in context: A106670 A247463 A308562 * A265412 A153039 A190208

Adjacent sequences: A254668 A254669 A254670 * A254672 A254673 A254674

nonn

Alex Ratushnyak, Feb 04 2015

approved