A337478 Primorial deflation of A336389.

1, 3, 20, 38, 159, 749, 1337

Offset

0,2

Links

Table of n, a(n) for n=0..6.

Index entries for sequences computed from indices in prime factorization

Index entries for sequences related to primorial numbers

Index entries for sequences related to sigma(n)

Formula

a(n) = A319626(A336389(n)) = A329900(A336389(n)).

For all n >= 0, A337474(a(n)) >= n and a(n) >= A337476(n).

Crossrefs

Cf. A319626, A329900, A336389, A337474, A337476.

Cf. also A337477.

Sequence in context: A002461 A254501 A031106 * A248818 A268602 A344890

Adjacent sequences: A337475 A337476 A337477 * A337479 A337480 A337481

Keyword

nonn,hard,more

Author

Antti Karttunen, Aug 29 2020

Status

approved