OFFSET
0,1
COMMENTS
LINKS
Harvey P. Dale, Table of n, a(n) for n = 0..1000
FORMULA
a(n) = A027434(n+1)^2.
EXAMPLE
Seen as an irregular triangle:
4;
9;
16, 16;
25, 25;
36, 36, 36;
49, 49, 49;
64, 64, 64, 64;
81, 81, 81, 81;
...
MATHEMATICA
Module[{nn=10, a, b}, a=Table[PadRight[{}, n+1, (2n+2)^2], {n, 0, nn}]; b= Table[ PadRight[ {}, n+1, (2n+3)^2], {n, 0, nn}]; Riffle[a, b]]//Flatten (* Harvey P. Dale, Jun 10 2022 *)
PROG
(PARI) vector(60, n, (sqrtint(4*n-3)+1)^2) \\ after Charles R Greathouse IV, Michel Marcus, Oct 27 2014
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Paul Curtz, Oct 17 2014
STATUS
approved