A357809 Locations of successive records in A357062.

0, 4, 6, 12, 24, 36, 40, 54, 60, 84, 96, 120, 144, 168, 180, 264, 360, 420, 504, 600, 840, 1176, 1320, 1440, 1680, 2280, 2520, 3024, 3120, 3960, 6120, 6300, 7560, 7800, 8160, 11760, 14040, 19320, 21600, 27720, 30240, 38760, 52920, 55440, 65520, 83160, 85680

Offset: 1

Author

Charles R Greathouse IV, Oct 13 2022

Keywords

• nonn
• hard

Links

• Rémy Sigrist, C program

Crossrefs

Cf. A357062.

Programs

C

See Links section.

PARI

upto(n) = { w = vector(n); res = List([0]); r = 0; for(i = 1, sqrtnint(n, 3), for(j = i, sqrtint(n\i), for(k = j, n\(i*j), c = i*j*k + i + j + k; if(c <= n, w[c]+=[1,3,6][#Set([i,j,k])]; ) ) ) ); for(i = 1, #w, if(w[i] > r, r = w[i]; listput(res, i); ) ); res };
upto(20000) \\ David A. Corneth, Oct 13 2022

Extensions

More terms from Rémy Sigrist, Oct 21 2022