STATUS
reviewed
approved
reviewed
approved
proposed
reviewed
editing
proposed
a(n) = A005278(n)/2.
5, 13, 17, 25, 26, 29, 43, 50, 58, 61, 65, 67, 73, 77, 85, 86, 93, 101, 103, 109, 111, 116, 122, 130, 133, 134, 137, 145, 146, 149, 155, 163, 170, 172, 173, 181, 183, 186, 193, 197, 202, 206, 218, 233, 235, 237, 241, 245, 259, 260, 266, 267, 268, 273, 277, 281
More terms from Amiram Eldar, Sep 05 2019
approved
editing
_Artur Jasinski (grafix(AT)csl.pl), _, Dec 30 2006