A036982 a(n)=[ a*a(n-1)+b ]/p^r, where a=2.001, b=3.2, p=2 and p^r is the highest power of p dividing [ a*a(n-1)+b ].

1, 5, 13, 29, 61, 125, 253, 509, 1021, 1023, 1025, 1027, 1029, 1031, 1033, 1035, 1037, 1039, 1041, 1043, 1045, 1047, 1049, 1051, 1053, 1055, 1057, 1059, 1061, 1063, 1065, 1067, 1069, 1071, 1073, 1075, 1077, 1079, 1081, 1083, 1085, 1087, 1089, 1091, 1093

Offset: 0

Author

Yasutoshi Kohmoto

Keywords

• nonn

Comments

A cyclic sequence. The period is 6767.

If an array is made of columns of -nacci sequences, fibo-, tribo- etc. all starting w. 1,1,2 etc, the nw to se diagonals can be extended by computation. The above minus the first digit is diagonal 4. See A159741 for details. [From Al Hakanson (hawkuu(AT)gmail.com), Apr 20 2009]

Crossrefs

Cf. A029580.

Extensions

More terms from James Sellers, Aug 08 2000