A266345 Positions of records in A266344.

1, 72, 120, 1440, 1680, 2160, 2520, 37800, 45360, 50400, 55440, 65520, 75600, 83160, 1441440, 1663200, 1801800, 1884960, 1965600, 2106720, 2162160, 2751840, 2827440, 2882880, 3326400, 3603600

Offset

1,2

Comments

The corresponding record values, A266344(a(n)) are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 14, 15, 17, 19, 22, 24, 25, 26, 27, 28, 33, 34, 38, 40, 42, 48, ...

Links

Table of n, a(n) for n=1..26.

Prog

(PARI)
A084558(n) = { my(m=1); if(0==n, n, while(m!<=n, m++); return(m-1)); }
A266344(n) = sumdiv(n, d, ((d <= (n/d)) && (A084558(d)==A084558(n/d))));
m=0; i=0; for(n=1, 1625621761, k = A266344(n); if(k > m, m = k; i++; write("b266345.txt", i, " ", n)));

Crossrefs

Cf. A266344.

Sequence in context: A078667 A090784 A291805 * A143741 A227166 A250772

Adjacent sequences: A266342 A266343 A266344 * A266346 A266347 A266348

Keyword

nonn

Author

Antti Karttunen, Dec 28 2015

Status

approved