A079835 -id:A079835 - cp's OEIS frontend

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, 3, 9, 51, 81, 28577, 117649, 594823330, 595067236, 596971504

Offset: 1

Amarnath Murthy, Feb 15 2003

1
3 5
9 25 49
51 55 57 58
81 625 2401 14641 28561
...
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

Cf. A079835, A079837.

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

a(6)-a(7) from R. J. Mathar, Mar 29 2007
a(8)-a(10) from Lambert Herrgesell (zero815(AT)googlemail.com), Feb 08 2008
a(2) and a(9) corrected by Pontus von Brömssen, Jan 14 2024

A079837 Leading diagonal of triangle in A079836.

Original entry on oeis.org

1, 5, 49, 58, 28561, 28708, 594823321, 594823353, 596971489, 596973488, 52599132235830049, 52599132235830325, 59091511031674153381441, 59091511031674153416512, 118313372322850068047044, 118313372322850068047118, 117257864492369852051862561201601

Offset: 1

Amarnath Murthy, Feb 15 2003

nonn

Cf. A079835, A079836.

Equals A079835(n+1)-1 - Lambert Herrgesell (zero815(AT)googlemail.com), Feb 08 2008

a(6)-a(7) from R. J. Mathar, Mar 29 2007

a(2) corrected and a(8)-a(17) added (using data in A079835) by Pontus von Brömssen, Jan 13 2024

cp's OEIS Frontend

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).

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