A294671 - OEIS

A294671

Decimal expansion of the sum of sqrt(2) and sqrt(5) with no positional regrouping.

3, 6, 4, 10, 2, 7, 10, 14, 13, 9, 7, 16, 12, 7, 17, 14, 6, 13, 14, 12, 0, 10, 7, 15, 11, 13, 8, 12, 9, 3, 10, 8, 16, 14, 2, 10, 13, 9, 10, 9, 12, 8, 9, 11, 12, 14, 9, 8, 7, 14, 6, 13, 7, 9, 7, 3, 14, 6, 14, 16, 16, 9, 7, 12, 13, 10, 0, 12, 5, 2, 13

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OFFSET

1,1

COMMENTS

a(n) is the sum of A002193(n) and A002163(n) without "carrying" (regrouping) when sum is greater than 9.

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

FORMULA

a(n) = A002193(n) + A002163(n).

EXAMPLE

for n = 8: A002193(8) = 5, A002163(8) = 9 -> a(8) = 14.

MATHEMATICA

Total[RealDigits[#, 10, 120][[1]] & /@ {Sqrt@ 2, Sqrt@ 5}] (* Michael De Vlieger, Nov 13 2017 *)

CROSSREFS

Cf. A002193, A002163, A073212, A294670.

Sequence in context: A065230 A316478 A242224 * A275985 A163294 A168577

Adjacent sequences: A294668 A294669 A294670 * A294672 A294673 A294674

KEYWORD

base,easy,nonn

AUTHOR

Lyle Blosser, Nov 06 2017

STATUS

approved