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a(n) = max{b(1),...,b(n)}, where b = A280864.
2

%I #9 Aug 03 2024 17:59:21

%S 1,2,4,4,6,8,8,10,12,12,12,14,16,16,22,22,22,22,24,24,28,28,28,28,34,

%T 34,45,45,45,45,45,46,46,46,46,46,46,48,48,58,58,58,58,58,58,58,77,77,

%U 77,77,77,77,78,78,78,78,78,78,78,78,78,78,78,82,82,82,86,86,99,99,99,99,105,105,105,105,105

%N a(n) = max{b(1),...,b(n)}, where b = A280864.

%H N. J. A. Sloane, <a href="/A373800/b373800.txt">Table of n, a(n) for n = 1..2000</a>

%Y Cf. A280864. Used in A373797.

%K nonn

%O 1,2

%A _N. J. A. Sloane_, Aug 03 2024