A167903 A075380(n) + A075380(n+1).

4, 8, 9, 12, 18, 12, 8, 18, 25, 20, 16, 20, 25, 32, 40, 45, 40, 32, 36, 40, 44, 45, 36, 40, 50, 54, 60, 63, 60, 56, 60, 63, 64, 72, 75, 72, 75, 76, 75, 80, 84, 88, 92, 96, 99, 92, 88, 90, 92, 99, 104, 108, 112, 116, 117, 112, 116, 125, 124, 117, 108, 112, 124, 132, 135, 132

Offset

1,1

Comments

A008966(a(n)) = 0 by definition of A075380.

Links

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

Crossrefs

Cf. A167907.

Sequence in context: A353834 A319302 A119025 * A074661 A370076 A252849

Adjacent sequences: A167900 A167901 A167902 * A167904 A167905 A167906

Keyword

nonn

Author

Reinhard Zumkeller, Nov 15 2009

Status

approved