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A060998 Squares of 1 and primes, written backwards. 1
1, 4, 9, 52, 94, 121, 961, 982, 163, 925, 148, 169, 9631, 1861, 9481, 9022, 9082, 1843, 1273, 9844, 1405, 9235, 1426, 9886, 1297, 9049, 10201, 90601, 94411, 18811, 96721, 92161, 16171, 96781, 12391, 10222, 10822, 94642, 96562, 98872, 92992, 14023 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Subsequence of A002942. - Michel Marcus, Nov 20 2015

LINKS

Robert Israel, Table of n, a(n) for n = 1..10000

MAPLE

revdigs := proc(n)

  local L, nL, j;

  L:= convert(n, base, 10);

  nL:= nops(L);

  add(L[i]*10^(nL-i), i=1..nL);

end:

map(t -> revdigs(t^2), [1, 2, op(select(isprime, [seq(i, i=3..10^4, 2)]))]); # Robert Israel, Nov 20 2015

MATHEMATICA

Join[{1}, FromDigits[Reverse[IntegerDigits[#^2]]]&/@Prime[Range[100]]] (* Vincenzo Librandi, Nov 20 2015 *)

PROG

(PARI) a(n) = if(n==1, 1, eval(concat(Vecrev(Str(prime(n-1)^2))))) \\ Altug Alkan, Nov 20 2015

CROSSREFS

Cf. A001248, A002942, A008578.

Sequence in context: A038340 A016489 A030694 * A009276 A086692 A242036

Adjacent sequences:  A060995 A060996 A060997 * A060999 A061000 A061001

KEYWORD

nonn,base,easy

AUTHOR

Martin Goepfert (martin.goepfert(AT)fen-net.de), May 14 2001

EXTENSIONS

More terms from Larry Reeves (larryr(AT)acm.org), May 15 2001

Offset changed from 0 to 1 by Altug Alkan, Nov 20 2015

STATUS

approved

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Last modified March 29 06:34 EDT 2017. Contains 284250 sequences.