2,2
See Cohen et al. (1992) for precise definition.
Cohen, Henri, Leonard Lewin, and Don Zagier. "A sixteenth-order polylogarithm ladder." Experimental Mathematics 1.1 (1992): 25-34. See Table 1.
Table of n, a(n) for n=2..12.
Cf. A073011.
Sequence in context: A271530 A062763 A243147 * A037943 A073876 A355587
Adjacent sequences: A261404 A261405 A261406 * A261408 A261409 A261410
nonn,more
N. J. A. Sloane, Aug 22 2015
approved