A361332 Where n appears in A351495, or -1 if it never occurs.

1, 2, 3, 4, 6, 5, 23, 7, 8, 9, 161, 10, 1771, 12, 11, 16, 23023, 13, 391391, 14, 15, 19, 7436429, 17, 18, 21, 20, 24, 171037867, 22, 4960098143, 26, 25, 29, 28, 27

Offset

1,2

Links

Table of n, a(n) for n=1..36.

Rémy Sigrist, C++ program

Prog

(C++) See Links section.

Crossrefs

Cf. A351495, A361333.

Sequence in context: A365536 A336038 A347401 * A240809 A214322 A075527

Adjacent sequences: A361329 A361330 A361331 * A361333 A361334 A361335

Keyword

nonn,more

Author

Scott R. Shannon and N. J. A. Sloane, Mar 19 2023

Extensions

a(29)-a(36) from Rémy Sigrist, May 04 2023

Status

approved