Discussion
Fri Nov 06
12:44
Paul Curtz: Thanks Michel. Unfortunely I am not allowed to submit more than three sequences or comments.
COMMENTS
(Corrections must be made in A262397: the third row is A248438(n+1), not d(n+1) and the fifth one is d(n+1), not A240438(n+1). In It appears ..., A240438(n+1) and d(n+1) must be swapped.)
Discussion
Fri Nov 06
11:37
Michel Marcus: (Corrections must be made in A262397: the third row is A248438(n+1), not d(n+1) and the fifth one is d(n+1), not A240438(n+1). In It appears ..., A240438(n+1) and d(n+1) must be swapped.)
FORMULA
a(2n+2) = -a(2n+1) + 4*(n+1).
CROSSREFS
Cf. A000290, A008586, A016742, A016754, A016789, A016921, A016945, A022267, A042965, A240438, A262397, A262523.
FORMULA
a(2n+1) = -a(2n) + 6*n + 3.
CROSSREFS
Cf. A000290, A016742, A016754, A016789, A016921, A016945, A022267, A042965, A240438, A262397, A262523.
MATHEMATICA
a[0] = 0; a[1] = 5; a[2] = 19; a[n_] := a[n] = a[n - 3] + 24 (n - 3) + 40; Table[a@ n, {n, 0, 46}] (* Michael De Vlieger, Oct 09 2015 *)
COMMENTS
(Corrections must be made in A262397: the third row is A248438(n+1), not d(n+1) and the fifth one is d(n+1), not A240438(n+1). In It appears ..., A240438(n+1) and d(n+1) must be swapped.)
Discussion
Fri Oct 09
04:58
Paul Curtz: Thanks. Done.