A376196 Index in A375564 where n-th group of successive primes ends.

3, 9, 21, 45, 92, 177, 351, 702, 1379, 2724, 5412, 10787, 21502, 42958, 85791, 171441, 342216, 683462, 1365580, 2729447, 5456194, 10908253, 21812343, 43616683, 87223016, 174430392

Offset

1,1

Links

Table of n, a(n) for n=1..26.

Formula

It is immediate from the definitions that A376195(n) = a(n) - A376192(n) + 1. E.g. for the third run of primes, 21 - 18 + 1 = 4 = A376195(3).

Crossrefs

Cf. A375564, A376192, A376193, A376195, A376197.

Sequence in context: A192970 A110964 A107351 * A068156 A166452 A052101

Adjacent sequences: A376193 A376194 A376195 * A376197 A376198 A376199

Keyword

nonn,more

Author

Scott R. Shannon and N. J. A. Sloane, Oct 02 2024

Extensions

a(24)-a(26) by Scott R. Shannon, Oct 02 2024

Status

approved