A362958 a(n) is the number of primes in a Collatz orbit started at A078373(n).

1, 3, 6, 7, 25, 26, 28, 29, 30, 32, 36, 37, 43, 44, 48, 50, 51, 52, 53, 55, 59, 61, 62, 67, 70, 73, 74, 75, 77, 78, 79, 80, 81, 82, 84, 85, 86, 87, 90, 92

Offset

1,2

Links

Table of n, a(n) for n=1..40.

Formula

a(n) = A078350(A078373(n)).

Crossrefs

Cf. A055509, A078350.

Sequence in context: A288295 A288804 A288335 * A370203 A288653 A287905

Adjacent sequences: A362955 A362956 A362957 * A362959 A362960 A362961

Keyword

nonn,more

Author

Hugo Pfoertner, May 19 2023

Status

approved