A205373 s(A204154), where s(j)=(prime(j+1) + prime(j+2))/2.

4, 4, 6, 4, 4, 6, 4, 4, 6, 6, 4, 6, 4, 4, 6, 18, 4, 12, 15, 6, 9, 4, 4, 6, 9, 4, 12, 6, 21, 4, 45, 18, 6, 26, 4, 6, 39, 4, 6, 6, 4, 18, 21, 6, 15, 4, 9, 12, 15, 6, 9, 4, 76, 6, 9, 4, 12, 6, 34, 4, 15, 72, 6, 12, 4, 6, 9, 4, 12, 6, 15, 4, 26, 12, 6, 26, 4, 15, 26, 6

Offset

1,1

Comments

For a guide to related sequences, see A204892.

Links

Table of n, a(n) for n=1..80.

Mathematica

(See the program at A205153.)

Crossrefs

Cf. A205153, A204892.

Sequence in context: A236230 A195781 A059656 * A064041 A365476 A241656

Adjacent sequences: A205370 A205371 A205372 * A205374 A205375 A205376

Keyword

nonn

Author

Clark Kimberling, Jan 26 2012

Status

approved