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a(n) = (A230624(n)-2)/4.
2

%I #5 Jan 13 2022 03:16:52

%S 0,2,3,5,9,15,23,39,51,79,95,119,151,191,239,255,383,415,431,447,479,

%T 495,559,655,671,751,815,895,991,1183,1279,1343,1439,1471,1695,2207,

%U 2335,2367,2399,2719,3231,3295,3359,3679,4671,5631,6207,10751,11519,18303,25343,25983,28159,28415,31615,32383,33919,34559,36479,37631,44927,61055,63359,64127

%N a(n) = (A230624(n)-2)/4.

%H N. J. A. Sloane, <a href="/A350607/b350607.txt">Table of n, a(n) for n = 1..545</a>

%Y Cf. A230624, A349821.

%K nonn

%O 1,2

%A _N. J. A. Sloane_, Jan 13 2022