A262501 First differences of A002182 (highly composite numbers, definition 1).

1, 2, 2, 6, 12, 12, 12, 12, 60, 60, 60, 120, 360, 120, 420, 420, 840, 2520, 2520, 2520, 5040, 5040, 5040, 2520, 17640, 5040, 5040, 27720, 27720, 55440, 55440, 55440, 55440, 166320, 55440, 110880, 55440, 360360, 360360, 720720, 720720, 720720, 720720, 2162160, 720720, 1441440, 2162160, 3603600, 2882880, 4324320, 10810800, 4324320, 6486480, 18018000

Offset: 1

Author

Antti Karttunen, Sep 24 2015

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 1..999 (computed from the b-file of A002182 provided by _T. D. Noe_.)

Crossrefs

Cf. A002182, A261100.

Cf. also A054481 (gives the gcds of successive terms of A002182, from which this sequence differs for the first time at n=25).

Programs

Scheme

(define (A262501 n) (- (A002182 (+ 1 n)) (A002182 n)))

Formula

a(n) = A002182(n+1) - A002182(n).