login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A048387 Squares resulting from procedure described in A048386. 2
0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 49, 169, 1681, 361, 100, 144, 1936, 11664, 1369, 400, 441, 41616, 43681, 900, 9025, 93636, 1600, 16641, 166464, 2500, 3600, 36481, 4900, 6400, 646416, 8100, 11025, 11449, 1444, 14161, 14641, 116964, 12544, 136161 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..44.

FORMULA

a(n) = A048385(A048386(n)). - Michel Marcus, Feb 13 2020

PROG

(MAGMA) f:=func<n|StringToInteger(&cat[IntegerToString(h): h in Reverse([c^2: c in Intseq(n)])])>; [0] cat [f(k):k in [1..4000]|IsSquare(f(k))]; // Marius A. Burtea, Feb 13 2020

CROSSREFS

Cf. A048385, A048386.

Sequence in context: A213630 A061205 A290934 * A035121 A080151 A292679

Adjacent sequences:  A048384 A048385 A048386 * A048388 A048389 A048390

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Mar 15 1999

EXTENSIONS

Offset 1 from Michel Marcus, Feb 13 2020

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 25 22:37 EST 2021. Contains 341618 sequences. (Running on oeis4.)