1,1
Quartic analog of A115563. Evaluated by direct summation of the first 160
terms and accumulating the remainder with the 5 nontrivial terms in
the Euler-Maclaurin expansion.
2.5591197429867314185720209
Cf. A115563.
Sequence in context: A076520 A014249 A168071 * A152781 A200242 A062553
Adjacent sequences: A145417 A145418 A145419 * A145421 A145422 A145423
cons,nonn
R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 08 2009