A126352 Denominator of z-sequence for the Sheffer (Appell type) triangle A134832 (circular succession numbers).

1, 1, 3, 4, 5, 3, 7, 8, 9, 1, 11, 12, 13, 7, 15, 16, 17, 9, 19, 4, 21, 11, 23, 24, 25, 13, 27, 28, 29, 15, 31, 32, 33, 17, 7, 36, 37, 19, 39, 40, 41, 21, 43, 44, 9, 23, 47, 48, 49, 25, 51, 4, 53, 27, 55, 56, 57, 29, 59, 12, 61, 31, 63, 64, 65, 33, 67, 68, 69, 7, 71, 72, 73, 37, 75, 76

Offset: 0

Author

Wolfdieter Lang, Jan 21 2008

Keywords

• nonn
• frac
• easy

Comments

The numerators are given in A135808.

Examples

			Rationals r(n)=[0,0,1/3, 1/4, 8/5, 8/3, 159/7, 659/8, 6824/9, 4668, 517581/11,...].
		

Crossrefs

Cf. A135808 (numerators), A134832.

Formula

a(n) = denominator(r(n)) with the rationals r(n) from the given e.g.f.

E.g.f. for rationals r(n): (1-exp(x)/(1-log(1-x)))/x.