%I #18 Mar 15 2020 05:16:08

%S 2,4,7,10,19,25,19,37,82,115,142,172,745,856,1603,2980,3079,4240,5812,

%T 5842,13165,13480,15136,27052,29455,31339,60112,116386,149239,179821,

%U 291511,1025683,1164760,1703224,1891861,4038604,4091767,9440575,18241120,28450837,32576617

%N Sum of digits of n-th even superperfect number A061652(n).

%C Also, sum of digits of n-th superperfect number A019279(n), if there are no odd superperfect numbers.

%F a(n) = A007953(A061652(n)). - _Michel Marcus_, Mar 15 2020

%Y Cf. A007953, A061652.

%Y Cf. A007605, A019279, A066538.

%K nonn,base

%O 1,1

%A _Omar E. Pol_, Apr 01 2008

%E a(10)-a(33) from _R. J. Mathar_, May 22 2008

%E More terms from _Jinyuan Wang_, Mar 15 2020