perplexus.info :: Sequences : Not-so-easy sequences

Not-so-easy sequences (Posted on 2022-02-04)

a) 3,2,1,7,4,1,1,8…
b) 15,29,12,26,12,26,9…
Extend each of the above sequences by providing at least 4 additional numbers.

See The Solution Submitted by Ady TZIDON

Rating: 5.0000 (1 votes)

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Solution: Part (b)

| Comment 4 of 7 |

The sequence is given by:

15,29,12,26,12,26,9,23,7,21,4,18,2,16,30,13,27,10,

24,8,22,5,19,3,17,31.,......

The sequence goes on indefinitely.

EXPLANATION:

Taking 14-day offsets starting 15 January, in a leap year, we have:

15 Jan, 29 Jan, 12 Feb., 26 Feb., 12 Mar., 26 Mar., 9 April, 23 April, 7 May, 21 May, 4 June, 18 June, 2 July, 16 July, 30 July, 13 Aug., 27 Aug., 10 Sept., 24 Sept.,8 0ct., 22 0ct., 5 Nov., 19 Nov, 3 Dec., 17 Dec, 31 Dec.,.....

Edited on February 12, 2022, 9:18 pm

Posted by K Sengupta on 2022-02-12 20:58:03

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