History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c38.s2.t1.25

This results in: 1st series: 1.41 gms, 2.82 gms, 5.64 gms, 11.28 gms, 15.7 gms. 22.60 gms, 45.20 gms, 90.40 gms and so on (when 1 pala = 40 māṣas).