Post #2658774
2026-05-06 08:01 UTC
@christianp@mathstodon.xyz Some larger values to show that it's still rare:
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n = 3632, in A395531? yes, a(n)-a(n-1) = 3715 = n + 83
n = 3656, in A395531? - , a(n)-a(n-1) = 3667 = n + 11
n = 3717, in A395531? - , a(n)-a(n-1) = 3801 = n + 84
n = 3814, in A395531? yes, a(n)-a(n-1) = 3899 = n + 85
n = 3901, in A395531? yes, a(n)-a(n-1) = 3987 = n + 86
n = 3989, in A395531? yes, a(n)-a(n-1) = 4076 = n + 87
n = 4078, in A395531? yes, a(n)-a(n-1) = 4166 = n + 88
n = 4168, in A395531? yes, a(n)-a(n-1) = 4257 = n + 89
n = 4259, in A395531? yes, a(n)-a(n-1) = 4349 = n + 90
n = 4351, in A395531? yes, a(n)-a(n-1) = 4442 = n + 91
n = 4444, in A395531? yes, a(n)-a(n-1) = 4536 = n + 92
Replies (1)
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@hellman@mathstodon.xyz 2026-05-06 08:50
@christianp@mathstodon.xyz Experimentally, asymptotically seems to be within a(n) = n(n+3)/2 - o(n^0.5 log(n)) The peaks of (a(n) - n(n+3)/2)/n^0.5 seem to continue slowly growing, not sure if converging. Checked up to a(21710)=235694408 .