login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A086957
Smallest m with A086956(m)=n.
8
1, 4, 9, 16, 5, 18, 7, 32, 27, 50, 11, 72, 13, 28, 75, 64, 17, 108, 19, 100, 63, 44, 23, 192, 125, 52, 81, 196, 29, 180, 31, 128, 99, 68, 35, 288, 37, 76, 117, 200, 41, 294, 43, 176, 225, 92, 47, 384, 49, 250, 153, 208, 53, 486, 55, 392, 171, 116, 59, 420, 61
OFFSET
1,2
COMMENTS
a(n) < A086958(n) < A086959(n), A086956(a(n))=A086956(A086958(n))=A086956(A086959(n));
n and A086956(n) are divisors of a(n);
A086960(a(n)) = A086958(n), A086960(A086959(n)) = a(n);
A086961(a(n)) = A086959(n), A086961(A086958(n)) = a(n);
A086962(a(n)) = a(n);
A086963(a(n)) = A086959(n), A086963(A086959(n)) = a(n);
A086964(a(n)) = A086958(n), A086964(A086958(n)) = a(n).
CROSSREFS
Sequence in context: A330377 A070643 A070442 * A096879 A070441 A070440
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Jul 25 2003
STATUS
approved