A076343 A076340(A001358(n)), real part of semiprimes mapped as defined in A076340, A076341.

4, 8, 15, 8, 16, 17, 31, 24, 15, 24, 47, 32, 33, 40, 49, 48, 63, 65, 49, 79, 56, 64, 47, 95, 72, 95, 80, 63, 88, 113, 97, 127, 96, 81, 104, 145, 97, 120, 129, 143, 120, 161, 175, 159, 136, 191, 144, 145, 111, 144, 129, 160, 209, 191, 168, 143, 239, 176, 241, 143

Offset

1,1

Links

Table of n, a(n) for n=1..60.

Example

Applying the map as defined in A076340, A076341:
A001358(15)=39=3*13=(4-1)*(12+1) -> (4,-1)*(12,1) = (4*12+1,4-12) = (49,-8), therefore a(15)=49 and A076344(120)=-8.

Crossrefs

Imaginary part = A076344, A076342, A076347.

Sequence in context: A360527 A272048 A112312 * A335382 A272346 A354846

Adjacent sequences: A076340 A076341 A076342 * A076344 A076345 A076346

Keyword

nonn

Author

Reinhard Zumkeller, Oct 08 2002

Status

approved