A308250 Squares of automorphic numbers in base 12 (cf. A201919).

0, 1, 49, 64, 2401, 21904, 118336, 5764801, 1297152256, 22880797696, 149429406721, 3114293149696, 33232930569601, 2203546857570304, 3418922510231809

Offset

1,3

Links

Table of n, a(n) for n=1..15.

Formula

Equals A201919(n)^2.

Example

2401 = c37_14 and sqrt(c37_14) = 37_14. Hence 2401 is in the sequence.

Prog

(Sage) [(n * n) for n in (0..1000000) if (n * n).str(base = 14).endswith(n.str(base = 14))]

Crossrefs

Cf. A201919, A237583, A308250.

Sequence in context: A038678 A379453 A225120 * A215056 A242702 A341177

Adjacent sequences: A308247 A308248 A308249 * A308251 A308252 A308253

Keyword

nonn,base,more

Author

Jeremias M. Gomes, May 17 2019

Status

approved