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

1,2

Comments

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

Links

Table of n, a(n) for n=1..10.

Crossrefs

Cf. A079835, A079837.

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

Sequence in context: A260156 A058110 A261542 * A171951 A323232 A366932

Adjacent sequences: A079833 A079834 A079835 * A079837 A079838 A079839

Keyword

more,nonn

Author

Amarnath Murthy, Feb 15 2003

Extensions

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

Status

approved