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User:Anders Hellström/Euclid-Mullin
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Euclid-Mullin(A000945)
first_EM(m,k)=my(v=vector(m),j=prime(k));v[1]=j;for(i=2,m,v[i]=gpf(1+prod(j=1,i-1,v[j])));v; \\Euclid-Mullin initial value j first_EM(m,p)=my(v=vector(m),j=p);v[1]=j;for(i=2,m,v[i]=gpf(1+prod(j=1,i-1,v[j])));v; show_EM(j,k)={for(i=1,j,print(first_EM(k,i)));} \\Show some EM sequences. show_EM(j,k)={for(i=1,j,print(first_EM(k,i)));} first_EM(m,k)=my(v=vector(m),j=prime(k));v[1]=j;for(i=2,m,v[i]=gpf(1+prod(j=1,i-1,v[j])));v; digits_EM(k)=d=0;f=first_EM(8,k);for(i=1,#f,d+=#digits(f[i]));d; show_digits_EM(j)=for(i=1,j,print1("(",i,")=>",digits_EM(i),", "))
(11)=> 31, 2, 3, 11, 23, 47059, 7, 5, 89, 19, 2287, 233, 17, 647, 1607, 12637,103, 13, 163, 4980301, (23)=> 83, 2, 167, 3, 7, 67, 5, 13, 719, 37, 11, 31, 1367, 31440216015620321911, 988487183108868589955299792587646370011, 19, (32)=>131, 2, 263, 3, 37, 971, 1249, 5, 31, 13, 19, 11161, 3963633099343201420891, 997, 7, 751, 23, 163, 127, 89, (33)=>137, 2, 5, 3, 4111, 16896211, 7, 773, 659, 23, 227, 17, 61, 151, 113, 233, 3989, 11, 4621, 5624803, (34)=>139, 2, 3, 5, 43, 11, 7, 13, 179489311, 320377, 827, 3895650091, 151, 17, 823, 191, 8648810893, 17548807, 83, 127, (35)=>149, 2, 13, 5, 3, 58111, 3217, 7, 17, 151, 431, 29, 59, 31, 107, 103, 802669489, 27191, 10301, 11056953723831464507246391411845378755306535971, (427010)=>6221671 2, 3, 7, 43, 11, 1451, 131, 21377, 8664743,79, 5, 13, 391879, 83, 197, 233, 67, 19, 887, =>38709183810571, 2, 3, 7, 43, 13, 53, 5, 6221671, 139, 2801, 11, 17, 5471, 52662739, 23003, 30693651606209, (3151105)=>52662739, 2, 3, 5, 7, 113, 17573, 37, 151, 11, 13, 476977, 3767, 601, 102023, 1559, 8713, 315193, 2711, 367,