A274463 Subsequence of the automorphic numbers (A003226) with initial term 5 and such that a(n+1) ends with the digits of a(n).
5, 25, 625, 12890625, 6259918212890625, 4106619977392256259918212890625, 80863811000557423423230896109004106619977392256259918212890625
Offset: 1
Links
- Colin Barker, Table of n, a(n) for n = 1..10
- Wikipedia, Automorphic number
Programs
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PARI
seq(m, maxn) = L=List(); for(j=1, maxn, listput(L, m); m=(3*m^2-2*m^3)%10 ^ (2*sizedigit(m))); Vec(L) seq(5, 8)
Comments