The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #21 Jul 29 2021 03:11:38
%S 1,4,16,167,65536
%N Numbers k such that s(k) + s(k+1) + ... + s(k+3) = t(k) + t(k+1) + ... + t(k+3).
%C No other terms < 4293000000. - _Jud McCranie_, Jul 12 2000
%C a(6) > 10^11. - _Donovan Johnson_, Aug 15 2011
%F Here s(k) = sigma(k) - k, t(k) = |s(k) - k|.
%Y Cf. A001065, A033880, A033910.
%K nonn,more
%O 1,2
%A _Naohiro Nomoto_
%E Offset corrected by _Donovan Johnson_, Aug 15 2011