OFFSET
0,2
REFERENCES
Oscar S. Adams, Elliptic Functions Applied to Conformal World Maps, Special Publication No. 112 of the U.S. Coast and Geodetic Survey, 1925. See pp. 3-4.
EXAMPLE
1/sm(w) = w^(-1) + (1/6)*w^2 - (1/252)*w^5 - (1/4536)*w^8 + (11/2476656)*w^11 + (1/3714984)*w^14 - (193/35574686784)*w^17 - (5/15246294336)*w^20 + (3851/582713369521920)*w^23 + (449/1123804355506560)*w^26 - ...
PROG
(PARI) aden(nn) = my(A = O(x)); for(i=0, nn, A = intformal( (1 - intformal(A^2))^2) ); my(v=Vec(1/A)); apply(x->denominator(x), vector(#v\3, k, v[3*k-2]));
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
Michel Marcus and N. J. A. Sloane, Jun 08 2020
STATUS
approved