2,2

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).

L. Carlitz, The coefficients of the lemniscate function, Math. Comp., 16 (1962), 475-478.

A. Hurwitz, Ueber die Entwicklungskoeffizienten der lemniskatischen Funktionen, Math. Ann., 51 (1899), 196-226; Mathematische Werke. Vols. 1 and 2, Birkhaeuser, Basel, 1962-1963, see Vol. 2, No. LXVII.

Cf. A002306, A047817.

Sequence in context: A142202 A042219 A060943 this_sequence A069071 A055386 A139000

Adjacent sequences: A002767 A002768 A002769 this_sequence A002771 A002772 A002773

sign,easy,nice

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

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