A308248 Squares of automorphic numbers in base 6 (cf. A237583).

0, 1, 9, 16, 81, 784, 6561, 18496, 1478656, 43046721, 281165824, 893352321, 5859137025, 41368305664, 405026597889, 1088266240000, 15965210931201, 36991307874304, 583272781383681, 1318789102698496

Offset: 1

Author

Jeremias M. Gomes, May 17 2019

Keywords

• nonn
• base

Examples

			784 = 3344_6 and sqrt(3344_6) = 44_6. Hence 784 is in the sequence.
		

Crossrefs

Cf. A237583.

Programs

Sage

[(n * n) for n in (0..1000000) if (n * n).str(base = 6).endswith(n.str(base = 6))]

Formula

a(n) = A237583(n)^2. - Michel Marcus, May 17 2019