Serendipity in Mathematics or How One is Led to Discover that ∑ ∞ n = 1 1⋅3⋅5⋯(2n - 1 n2 n n! = ½ + 3 16 + 15144 + ⋯ = ln4
Bertram Ross · American Mathematical Monthly · 1983
Bertram Ross, Serendipity in Mathematics or How One is Led to Discover that ∑∞ n = 1 1· 3· 5⋯ (2n - 1/n2n n! = 1/2 + 3/16 + 15144 + ⋯ = ln4, The American Mathematical Monthly, Vol. 90, No. 8 (Oct., 1983), pp. 562-566