A254792 Absolute first differences of A254788.

1, 2, 4, 5, 7, 8, 9, 14, 17, 10, 15, 26, 20, 16, 34, 19, 18, 31, 23, 21, 24, 25, 35, 38, 37, 39, 75, 40, 41, 76, 43, 42, 83, 44, 45, 88, 46, 50, 95, 52, 55, 106, 56, 58, 112, 61, 62, 120, 65, 67, 131, 68, 69, 136, 71, 72, 142, 73, 74, 144, 80, 79, 81, 78, 84

Offset

1,2

Comments

a(n) = abs(A254788(n)-A254788(n+1));

by definition of A254788:

(i) all terms are distinct, (ii) disjoint to A254793.

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Prog

(Haskell)
a254792 n = a254792_list !! (n-1)
a254792_list = map abs $ zipWith (-) a254788_list $ tail a254788_list

Crossrefs

Cf. A254788, A254793 (complement).

Sequence in context: A184164 A190852 A005839 * A062102 A092289 A079358

Adjacent sequences: A254789 A254790 A254791 * A254793 A254794 A254795

Keyword

nonn

Author

Reinhard Zumkeller, Feb 08 2015

Status

approved