A272682 Square root of concatenation of n and A265432(n).

15, 4, 145, 6, 65, 7741915625, 825, 85, 905, 30245625, 325, 1090619453125, 36, 37, 38, 39, 402484375, 414731890625, 135, 14, 456875, 46901578125, 475, 4885, 1575, 16, 1625, 165, 5375, 170759375, 54893244140625, 17638317373046875, 1795516819326995849609375, 57642802733386962890625, 185

Offset: 0

Author

Nathan Fox, Brooke Logan, and N. J. A. Sloane, May 23 2016

Keywords

• nonn
• base

Comments

The square of a(n) is one of the two squares that are required by the definition of A265432(n). The other is in A272683.

Of course if it ever happens that A265432(n) = -1, the definition will need to be changed.

Links

• N. J. A. Sloane, Table of n, a(n) for n = 0..10000
• N. J. A. Sloane, Table of n, A265432(n), sqrt(concat(n,A265432(n))), sqrt(concat(1,A265432(n))) (based on _David W. Wilson_ 10000-term b-file for A265432)

Crossrefs

Cf. A265432, A272683.