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Number of 7's that appeared by n-th step when constructing A030717.
5

%I #7 Nov 18 2022 12:30:08

%S 0,0,0,0,0,0,0,0,0,1,3,3,3,3,3,3,3,3,3,3,3,4,4,5,5,6,7,9,10,11,12,13,

%T 14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,

%U 60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,110,112,114,116,118,120,122,124

%N Number of 7's that appeared by n-th step when constructing A030717.

%Y Partial sums of A358480.

%Y Cf. A358466, A358468, A358470, A358472, A358473, A358474.

%Y Cf. A030717.

%K nonn

%O 1,11

%A _Seiichi Manyama_, Nov 18 2022