A072452 - OEIS

A072452

a(n) = reversal(a(n-1)+n) for n>0, a(0) = 0.

0, 1, 3, 6, 1, 6, 21, 82, 9, 81, 19, 3, 51, 46, 6, 12, 82, 99, 711, 37, 75, 69, 19, 24, 84, 901, 729, 657, 586, 516, 645, 676, 807, 48, 28, 36, 27, 46, 48, 78, 811, 258, 3, 64, 801, 648, 496, 345, 393, 244, 492, 345, 793, 648, 207, 262, 813, 78, 631, 96, 651, 217, 972

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 0..10000

Nick Hobson, Python program for this sequence

EXAMPLE

a(10)=19 given: a(11) = rev(a(10)+11) = rev(19+11) = rev(30) = 3; a(12) = rev(a(11)+12) = rev(3+12) = rev(15) = 51.

PROG

(Python) # See Hobson link.

(Haskell)

a072452 n = a072452_list !! n