A047880 a(n) = A047879(n) / 2.

0, 5, 5, 9, 12, 19, 25, 35, 41, 54, 63, 78, 88, 106, 118, 139, 152, 175, 191, 217, 233, 262, 281, 312, 332, 366, 388, 425, 448, 487, 513, 555, 581, 626, 655, 702, 732, 782, 814, 867, 900, 955, 991, 1049, 1085, 1146, 1185, 1248, 1288

Offset

0,2

Links

Table of n, a(n) for n=0..48.

Crossrefs

Sequence in context: A333141 A290968 A011986 * A058491 A058584 A324792

Adjacent sequences: A047877 A047878 A047879 * A047881 A047882 A047883

Keyword

nonn

Author

Clark Kimberling

Extensions

Name corrected by Sean A. Irvine, May 23 2021

Status

approved