A086957 Smallest m with A086956(m)=n.

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

Author

Reinhard Zumkeller, Jul 25 2003

Keywords

• nonn

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

Cf. A086938, A086939.