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A022785 Place where n-th 1 occurs in A023123. 1

%I

%S 1,4,10,19,30,44,61,81,103,128,156,186,219,255,294,335,379,426,475,

%T 527,582,640,700,763,829,897,968,1042,1119,1198,1280,1365,1452,1542,

%U 1635,1731,1829,1930,2034,2141,2250,2362,2477,2594,2714,2837,2963

%N Place where n-th 1 occurs in A023123.

%F a(n) = 1 + Sum_{k=1..n-1} ceiling(e*k). - _Benoit Cloitre_, Jan 24 2009

%o (PARI) a(n)=1+sum(k=1,n-1,ceil(exp(1)*k)) \\ _Benoit Cloitre_, Jan 24 2009

%K nonn

%O 1,2

%A _Clark Kimberling_

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Last modified February 2 02:30 EST 2023. Contains 359997 sequences. (Running on oeis4.)