A037675 Base-5 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,2,3.

1, 5, 27, 138, 691, 3455, 17277, 86388, 431941, 2159705, 10798527, 53992638, 269963191, 1349815955, 6749079777, 33745398888, 168726994441, 843634972205, 4218174861027, 21090874305138, 105454371525691, 527271857628455

Offset

1,2

Links

Table of n, a(n) for n=1..22.

Index entries for linear recurrences with constant coefficients, signature (6,-6,6,-5).

Formula

G.f.: x*(1-x+3*x^2) / ( (x-1)*(5*x-1)*(x^2+1) ). - R. J. Mathar, May 04 2015

Crossrefs

Sequence in context: A037498 A198771 A084177 * A221673 A257061 A052225

Adjacent sequences: A037672 A037673 A037674 * A037676 A037677 A037678

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved