%I #6 Mar 29 2024 19:01:49
%S 1,7,49,16807,117649,5764801,282475249,1977326743,96889010407,
%T 678223072849,4747561509943,1628413597910449,11398895185373143,
%U 558545864083284007,3909821048582988049,9387480337647754305649,459986536544739960976801
%N Powers of 7 with strictly increasing sum of digits.
%Y Cf. A069027, A069028, A069029, A069030, A069031.
%K nonn,base
%O 1,2
%A _Amarnath Murthy_, Apr 02 2002
%E More terms from Larry Reeves (larryr(AT)acm.org), Jun 26 2002
%E More terms from _Harvey P. Dale_, Jan 22 2016