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A308250 Squares of automorphic numbers in base 12 (cf. A201919). 1
0, 1, 49, 64, 2401, 21904, 118336, 5764801, 1297152256, 22880797696, 149429406721, 3114293149696, 33232930569601, 2203546857570304, 3418922510231809 (list; graph; refs; listen; history; text; internal format)
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: A065807 A038678 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

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Last modified September 21 16:31 EDT 2021. Contains 347598 sequences. (Running on oeis4.)