A034944 Successive approximations to 13-adic integer sqrt(-1).

0, 5, 70, 239, 143044, 1999509, 6826318, 822557039, 85658552023, 1188526486815, 11941488851037, 291518510320809, 2108769149874327, 13920898306972194, 2675587335039691558, 63228498770709057089

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

References

• K. Mahler, Introduction to p-Adic Numbers and Their Functions, Cambridge, 1973, p. 35.

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..806

Crossrefs

Cf. A034935, A034939, A218709, A286840.

Programs

PARI

seq(n)={my(v=vector(n), i=1, k=0); while(i<#v, k++; my(t=truncate(sqrt(-1 + O(13^k)))); if(t > v[i], i++; v[i]=t)); v} \\ Andrew Howroyd, Nov 10 2018