A280760 Index of first occurrence of n in A280055.

1, 2, 5, 16, 58, 440, 17281, 16049141, 8010046523646

Offset

1,2

Links

Table of n, a(n) for n=1..9.

Formula

a(n) = a(n-1) + {sum of members of A008578 <= a(n-1)}. - Charlie Neder, Jun 14 2019

Crossrefs

Cf. A280055, A008578.

Sequence in context: A019448 A243326 A185143 * A350717 A000753 A346813

Adjacent sequences: A280757 A280758 A280759 * A280761 A280762 A280763

Keyword

nonn,more

Author

N. J. A. Sloane, Jan 08 2017

Extensions

a(7)-a(9) from Lars Blomberg, Jan 11 2017

Status

approved