1,2

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

H. E. Salzer, Equally-weighted quadrature formulas for inversion integrals, Math. Comp., 11 (1957), 197-200.

Cf. A002670.

Sequence in context: A026159 A025186 A140780 this_sequence A112711 A155651 A001947

Adjacent sequences: A002666 A002667 A002668 this_sequence A002670 A002671 A002672

sign,frac

N. J. A. Sloane (njas(AT)research.att.com).