A091473 Integral_{x>=0} (cos(2x) * Product_{n>=1} cos(x/n)) dx.
3, 9, 2, 6, 9, 9, 0, 8, 1, 6, 9, 8, 7, 2, 4, 1, 5, 4, 8, 0, 7, 8, 3, 0, 4, 2, 2, 9, 0, 9, 9, 3, 7, 8, 6, 0, 5, 2, 4, 6, 4, 5, 4, 3, 4, 1, 8, 7, 2, 3, 1, 5, 9, 5, 9, 2, 6, 8, 1, 2, 2, 8, 5, 1, 6, 2, 0, 9, 3, 2, 4, 7, 1, 3, 9, 9, 3, 8, 5, 4, 6, 1, 7, 9, 0, 1, 6, 5, 1, 2, 7, 4, 7, 4, 5, 5, 3, 6, 6, 7, 8
Offset: 0
Examples
0.3926990816987...
Links
- D. H. Bailey, J. M. Borwein, V. Kapoor and E. Weisstein, Ten Problems in Experimental Mathematics
- Eric Weisstein's World of Mathematics, Definite Integral
- Eric Weisstein's World of Mathematics, Infinite Cosine Product Integral
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