A365719 The least number with the same prime signature as A356867(1+n), where A356867 is Sycamore's Doudna variant D(3).

1, 2, 2, 2, 4, 6, 6, 8, 4, 2, 6, 6, 4, 12, 12, 12, 16, 12, 6, 12, 30, 8, 24, 24, 36, 32, 8, 2, 6, 6, 6, 12, 30, 30, 24, 12, 4, 12, 12, 12, 60, 60, 24, 48, 36, 12, 36, 60, 16, 72, 48, 72, 64, 24, 6, 30, 30, 12, 24, 60, 60, 48, 60, 8, 60, 24, 24, 120, 120, 48, 96, 72, 36, 72, 180, 32, 144, 96, 216, 128, 16, 2, 6, 6, 6, 12

Offset: 0

Author

Antti Karttunen, Sep 17 2023

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 0..19683

Crossrefs

Cf. A046523, A356867, A365720 (rgs-transform), A365721, A365722.

Cf. also A278222.

Programs

PARI

\\ Needs also code from A356867:
A046523(n) = { my(f=vecsort(factor(n)[, 2], , 4), p); prod(i=1, #f, (p=nextprime(p+1))^f[i]); };
A365719(n) = A046523(A356867(1+n));

Formula

a(n) = A046523(A356867(1+n)).