OFFSET
1,1
COMMENTS
For k > 0, A022837(2*k-1) is odd and A022837(2*k) is even. So a(n) is even. - Seiichi Manyama, Sep 06 2019
If it exists, a(7) > 10^10. - Michael S. Branicky, Sep 02 2024
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Sep 04 2019
EXTENSIONS
a(5)-a(6) from Seiichi Manyama, Sep 05 2019
STATUS
approved