Blues Scale
<A> <Bb> <B> <C> <Db> <D> <Eb> <E> <F> <F#> <G> <Ab>

Blue dot indicates flat five

Intervals
Root - one and a half - one - half - half - one and a half - one
A relative to C A - C - D - Eb - E - G - A
Bb relative to Db Bb - Db - Eb - E - F - Ab - Bb
B relative to D B - D - E - F - F# - A - B
C relative to Eb C - Eb - F - F# - G - Bb - C
Db relative to E Db - E - F# - G - Ab - B - Db
D relative to F D - F - G - Ab - A - C - D

Eb relative to Gb

Eb - Gb - Ab - A - Bb - Db - Eb
E relative to G E - G - A - Bb - B - D - E
F relative to Ab F - Ab - Bb - B - C - Eb - F
F# relative to A F# - A - B - C - C# - E - F#
G relative to Bb G - Bb - C - Db -D - F - G
G# relative to B G# - B - C# - D - D# - F# - G#