You can type stuff in the search box on oeis.org and it tells you how many "results found." But you cannot ask it to count the number of "*" (or +, -, /, ^, !) in its programs and formulas, at least not easily... thing #results found --------------------------------- 1 201449 2 177941 0 165928 3 155105 4 132137 5 116309 6 102769 7 91779 8 83837 9 76325 sqrt 16366 exp 5851 log 5301 cos 2853 sin 2627 factorial 2337 ln 1775 theta 1365 tan 1344 zeta 1214 eta 1157 Gamma 1094 Meijer 854 Dirichlet 853 sinh 837 cosh 788 arcsin+asin 695 arctan+atan 769 elliptic 604 Ei 583 hypergeometric(& variants) 555 asinh+arcsinh 419 arctanh+atanh 381 Beta 251 Li 238 AGM 231 Bessel 188 Si 153 Ai 108 arccos+acos 101 polylog 72 Klein 65 erf+erfc 59 Mathieu 54 Barnes 52 arccosh+acosh 48 Hurwitz 48 Lerch 25 Ci 20 Painleve 13 cbrt 11 erfi 8 Fresnel 4 Struve 4 pi 6910 Catalan 2574 Golden 790 Mascheroni 144 Glaisher 95 Apery 76 -- Warren D. Smith