A368360 Comma transform of the even numbers.

2, 24, 46, 68, 81, 1, 21, 41, 61, 82, 2, 22, 42, 62, 83, 3, 23, 43, 63, 84, 4, 24, 44, 64, 85, 5, 25, 45, 65, 86, 6, 26, 46, 66, 87, 7, 27, 47, 67, 88, 8, 28, 48, 68, 89, 9, 29, 49, 69, 81, 1, 21, 41, 61, 81, 1, 21, 41, 61, 81, 1, 21, 41, 61, 81, 1, 21, 41, 61, 81, 1, 21, 41, 61, 81, 1, 21, 41, 61, 81, 1, 21, 41, 61, 81, 1, 21, 41, 61

Offset

0,1

Comments

See A367360 for further information.

Links

Alois P. Heinz, Table of n, a(n) for n = 0..10000

Maple

a:= n-> parse(cat(""||(2*n)[-1], ""||(2*n+2)[1])):
seq(a(n), n=0..88);  # Alois P. Heinz, Jan 03 2024

Prog

(Python)
def A368360(n): return (0, 20, 40, 60, 80)[n%5]+int(str(n+1<<1)[0]) # Chai Wah Wu, Jan 03 2024

Crossrefs

Cf. A005843, A367360.

Sequence in context: A343817 A119070 A181283 * A073215 A111035 A349188

Adjacent sequences: A368357 A368358 A368359 * A368361 A368362 A368363

Keyword

nonn,base

Author

N. J. A. Sloane, Jan 02 2024

Status

approved