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A079836 First column of the triangle in which the n-th row contains n numbers with n divisors that lie between A079835(n) and A079835(n+1). 1

%I #14 Jan 14 2024 08:59:19

%S 1,3,9,51,81,28577,117649,594823330,595067236,596971504

%N First column of the triangle in which the n-th row contains n numbers with n divisors that lie between A079835(n) and A079835(n+1).

%C 1

%C 3 5

%C 9 25 49

%C 51 55 57 58

%C 81 625 2401 14641 28561

%C ...

%C The 4th row consists of 4 consecutive elements of A030513, the 5th row 5 consecutive elements of A030514, the 6th and 7th rows consecutive elements of A030515 and A030516, the 8th of A030626, the 9th of A030627 etc. - _R. J. Mathar_, Mar 29 2007

%Y Cf. A079835, A079837.

%Y Cf. A030513, A030514, A030515, A030516, A030626, A030627.

%K more,nonn

%O 1,2

%A _Amarnath Murthy_, Feb 15 2003

%E a(6)-a(7) from _R. J. Mathar_, Mar 29 2007

%E a(8)-a(10) from Lambert Herrgesell (zero815(AT)googlemail.com), Feb 08 2008

%E a(2) and a(9) corrected by _Pontus von Brömssen_, Jan 14 2024

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Last modified April 25 10:34 EDT 2024. Contains 371967 sequences. (Running on oeis4.)