1,1

Table of n, a(n) for n=1..70.

RealDigits[E, 10, 120][[1]]^2 (* Harvey P. Dale, Jan 22 2015 *)

(Python)s="4".for c in str(math.e*10**15)[1:-2]:..s = s+", "+str( int(c)*int(c)).print(s)

Cf. A001113

Sequence in context: A132510 A058311 A189347 * A198384 A136196 A222960

Adjacent sequences: A248555 A248556 A248557 * A248559 A248560 A248561

nonn,easy,base

Irving Rivas, Oct 08 2014

More terms from Harvey P. Dale, Jan 22 2015

approved