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A139111
Bisection of A139104.
0
2, 18, 1198, 76718, 4909998, 1256959738, 1287126772718, 82376113453998, 337412560707579838, 86377615541140438718, 5528167394632988078010, 5660843412104179791883246, 92747258463914881710215118590
OFFSET
1,1
CROSSREFS
Cf. A139104.
Sequence in context: A268074 A202544 A203421 * A090766 A069651 A289949
KEYWORD
nonn
AUTHOR
Omar E. Pol, Apr 08 2008
EXTENSIONS
More terms from R. J. Mathar, May 22 2008
STATUS
approved