A078328 Least m such that A078142(m) = A006530(m) = n-th prime.
2, 6, 15, 105, 110, 2145, 935, 3553, 163438, 618222, 1681130, 1314610, 7478810, 56528230, 2533253470, 872029246, 84271102135, 459400861870, 58425959482, 247074041822, 949284476474, 327711206734538, 1447872915170, 11714608131830, 12499486876662610, 63324881704174
Offset: 1
Keywords
Examples
a(3)=15 because A078142(15) = A006530(15) = 5 and this is the first time 5 occurs.
Extensions
More terms from Jinyuan Wang, Apr 17 2020
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